20153518

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{11897}}^1$

素因数の和:11928

約数の個数: 24

約数和(自身を含む): 37978416

約数和(自身を除く): 17824898

約数列:

[1, 2, 7, 11, 14, 22, 77, 121, 154, 242, 847, 1694, 11897, 23794, 83279, 130867, 166558, 261734, 916069, 1439537, 1832138, 2879074, 10076759, 20153518]

約数ペア:

[(1, 20153518), (2, 10076759), (7, 2879074), (11, 1832138), (14, 1439537), (22, 916069), (77, 261734), (121, 166558), (154, 130867), (242, 83279), (847, 23794), (1694, 11897)]