1861557620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7159837}}^1$

素因数の和:7159859

約数の個数: 24

約数和(自身を含む): 4209984744

約数和(自身を除く): 2348427124

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 7159837, 14319674, 28639348, 35799185, 71598370, 93077881, 143196740, 186155762, 372311524, 465389405, 930778810, 1861557620]

約数ペア:

[(1, 1861557620), (2, 930778810), (4, 465389405), (5, 372311524), (10, 186155762), (13, 143196740), (20, 93077881), (26, 71598370), (52, 35799185), (65, 28639348), (130, 14319674), (260, 7159837)]