18683721004

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{21135431}}^1$

素因数の和:21135465

約数の個数: 24

約数和(自身を含む): 37282902048

約数和(自身を除く): 18599181044

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 221, 442, 884, 21135431, 42270862, 84541724, 274760603, 359302327, 549521206, 718604654, 1099042412, 1437209308, 4670930251, 9341860502, 18683721004]

約数ペア:

[(1, 18683721004), (2, 9341860502), (4, 4670930251), (13, 1437209308), (17, 1099042412), (26, 718604654), (34, 549521206), (52, 359302327), (68, 274760603), (221, 84541724), (442, 42270862), (884, 21135431)]