20163218

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{461}}^1\times {\mathrm{1151}}^1$

素因数の和:1633

約数の個数: 16

約数和(自身を含む): 31933440

約数和(自身を除く): 11770222

約数列:

[1, 2, 19, 38, 461, 922, 1151, 2302, 8759, 17518, 21869, 43738, 530611, 1061222, 10081609, 20163218]

約数ペア:

[(1, 20163218), (2, 10081609), (19, 1061222), (38, 530611), (461, 43738), (922, 21869), (1151, 17518), (2302, 8759)]