18441488

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{88661}}^1$

素因数の和:88682

約数の個数: 20

約数和(自身を含む): 38479308

約数和(自身を除く): 20037820

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 88661, 177322, 354644, 709288, 1152593, 1418576, 2305186, 4610372, 9220744, 18441488]

約数ペア:

[(1, 18441488), (2, 9220744), (4, 4610372), (8, 2305186), (13, 1418576), (16, 1152593), (26, 709288), (52, 354644), (104, 177322), (208, 88661)]