ANSWER:
1, 2, 3, 6, 9, 18
STEP-BY-STEP EXPLANATION:
Factors of 18 are the list of integers that can be evenly divided into 18. It has a total of 6 factors of which 18 is the biggest factor and the positive factors of 18 are 1, 2, 3, 6, 9, and 18.
