18830032

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{90529}}^1$

素因数の和:90550

約数の個数: 20

約数和(自身を含む): 39290020

約数和(自身を除く): 20459988

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 90529, 181058, 362116, 724232, 1176877, 1448464, 2353754, 4707508, 9415016, 18830032]

約数ペア:

[(1, 18830032), (2, 9415016), (4, 4707508), (8, 2353754), (13, 1448464), (16, 1176877), (26, 724232), (52, 362116), (104, 181058), (208, 90529)]