15291238

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{21179}}^1$

素因数の和:21219

約数の個数: 12

約数和(自身を含む): 24208740

約数和(自身を除く): 8917502

約数列:

[1, 2, 19, 38, 361, 722, 21179, 42358, 402401, 804802, 7645619, 15291238]

約数ペア:

[(1, 15291238), (2, 7645619), (19, 804802), (38, 402401), (361, 42358), (722, 21179)]