189908097020

素因数分解:

$2^2\times 5^1\times {\mathrm{9495404851}}^1$

素因数の和:9495404860

約数の個数: 12

約数和(自身を含む): 398807003784

約数和(自身を除く): 208898906764

約数列:

[1, 2, 4, 5, 10, 20, 9495404851, 18990809702, 37981619404, 47477024255, 94954048510, 189908097020]

約数ペア:

[(1, 189908097020), (2, 94954048510), (4, 47477024255), (5, 37981619404), (10, 18990809702), (20, 9495404851)]