18888943580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3137}}^1\times {\mathrm{23159}}^1$

素因数の和:26318

約数の個数: 48

約数和(自身を含む): 42733535040

約数和(自身を除く): 23844591460

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 3137, 6274, 12548, 15685, 23159, 31370, 40781, 46318, 62740, 81562, 92636, 115795, 163124, 203905, 231590, 301067, 407810, 463180, 602134, 815620, 1204268, 1505335, 3010670, 6021340, 72649783, 145299566, 290599132, 363248915, 726497830, 944447179, 1452995660, 1888894358, 3777788716, 4722235895, 9444471790, 18888943580]

約数ペア:

[(1, 18888943580), (2, 9444471790), (4, 4722235895), (5, 3777788716), (10, 1888894358), (13, 1452995660), (20, 944447179), (26, 726497830), (52, 363248915), (65, 290599132), (130, 145299566), (260, 72649783), (3137, 6021340), (6274, 3010670), (12548, 1505335), (15685, 1204268), (23159, 815620), (31370, 602134), (40781, 463180), (46318, 407810), (62740, 301067), (81562, 231590), (92636, 203905), (115795, 163124)]