18690438

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{2887}}^1$

素因数の和:2988

約数の個数: 32

約数和(自身を含む): 40755456

約数和(自身を除く): 22065018

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 83, 166, 249, 498, 1079, 2158, 2887, 3237, 5774, 6474, 8661, 17322, 37531, 75062, 112593, 225186, 239621, 479242, 718863, 1437726, 3115073, 6230146, 9345219, 18690438]

約数ペア:

[(1, 18690438), (2, 9345219), (3, 6230146), (6, 3115073), (13, 1437726), (26, 718863), (39, 479242), (78, 239621), (83, 225186), (166, 112593), (249, 75062), (498, 37531), (1079, 17322), (2158, 8661), (2887, 6474), (3237, 5774)]