18550480

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17837}}^1$

素因数の和:17863

約数の個数: 40

約数和(自身を含む): 46450152

約数和(自身を除く): 27899672

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 17837, 35674, 71348, 89185, 142696, 178370, 231881, 285392, 356740, 463762, 713480, 927524, 1159405, 1426960, 1855048, 2318810, 3710096, 4637620, 9275240, 18550480]

約数ペア:

[(1, 18550480), (2, 9275240), (4, 4637620), (5, 3710096), (8, 2318810), (10, 1855048), (13, 1426960), (16, 1159405), (20, 927524), (26, 713480), (40, 463762), (52, 356740), (65, 285392), (80, 231881), (104, 178370), (130, 142696), (208, 89185), (260, 71348), (520, 35674), (1040, 17837)]