Determine the factors of 18: $18$

Step 1 ：Determine the factors of 18. To find the factors of 18, we need to find all the numbers that can divide 18 without leaving a remainder. We can start from 1 and go up to 18, checking each number to see if it divides 18 evenly.

Step 2 ：The factors of 18 are \(\boxed{1, 2, 3, 6, 9, 18}\).