18587907

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{52957}}^1$

素因数の和:52979

約数の個数: 16

約数和(自身を含む): 29656480

約数和(自身を除く): 11068573

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 52957, 158871, 476613, 688441, 1429839, 2065323, 6195969, 18587907]

約数ペア:

[(1, 18587907), (3, 6195969), (9, 2065323), (13, 1429839), (27, 688441), (39, 476613), (117, 158871), (351, 52957)]