218490612

素因数分解:

$2^2\times 3^1\times {\mathrm{18207551}}^1$

素因数の和:18207558

約数の個数: 12

約数和(自身を含む): 509811456

約数和(自身を除く): 291320844

約数列:

[1, 2, 3, 4, 6, 12, 18207551, 36415102, 54622653, 72830204, 109245306, 218490612]

約数ペア:

[(1, 218490612), (2, 109245306), (3, 72830204), (4, 54622653), (6, 36415102), (12, 18207551)]