19718372

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{211}}^1\times {\mathrm{383}}^1$

素因数の和:659

約数の個数: 24

約数和(自身を含む): 35331072

約数和(自身を除く): 15612700

約数列:

[1, 2, 4, 61, 122, 211, 244, 383, 422, 766, 844, 1532, 12871, 23363, 25742, 46726, 51484, 80813, 93452, 161626, 323252, 4929593, 9859186, 19718372]

約数ペア:

[(1, 19718372), (2, 9859186), (4, 4929593), (61, 323252), (122, 161626), (211, 93452), (244, 80813), (383, 51484), (422, 46726), (766, 25742), (844, 23363), (1532, 12871)]