18869612

素因数分解:

$2^2\times {\mathrm{67}}^1\times {\mathrm{181}}^1\times {\mathrm{389}}^1$

素因数の和:641

約数の個数: 24

約数和(自身を含む): 33786480

約数和(自身を除く): 14916868

約数列:

[1, 2, 4, 67, 134, 181, 268, 362, 389, 724, 778, 1556, 12127, 24254, 26063, 48508, 52126, 70409, 104252, 140818, 281636, 4717403, 9434806, 18869612]

約数ペア:

[(1, 18869612), (2, 9434806), (4, 4717403), (67, 281636), (134, 140818), (181, 104252), (268, 70409), (362, 52126), (389, 48508), (724, 26063), (778, 24254), (1556, 12127)]