18931336

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{139201}}^1$

素因数の和:139224

約数の個数: 16

約数和(自身を含む): 37584540

約数和(自身を除く): 18653204

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 139201, 278402, 556804, 1113608, 2366417, 4732834, 9465668, 18931336]

約数ペア:

[(1, 18931336), (2, 9465668), (4, 4732834), (8, 2366417), (17, 1113608), (34, 556804), (68, 278402), (136, 139201)]