18686612

素因数分解:

$2^2\times 7^1\times {\mathrm{667379}}^1$

素因数の和:667390

約数の個数: 12

約数和(自身を含む): 37373280

約数和(自身を除く): 18686668

約数列:

[1, 2, 4, 7, 14, 28, 667379, 1334758, 2669516, 4671653, 9343306, 18686612]

約数ペア:

[(1, 18686612), (2, 9343306), (4, 4671653), (7, 2669516), (14, 1334758), (28, 667379)]