38993968

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{187471}}^1$

素因数の和:187492

約数の個数: 20

約数和(自身を含む): 81362848

約数和(自身を除く): 42368880

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 187471, 374942, 749884, 1499768, 2437123, 2999536, 4874246, 9748492, 19496984, 38993968]

約数ペア:

[(1, 38993968), (2, 19496984), (4, 9748492), (8, 4874246), (13, 2999536), (16, 2437123), (26, 1499768), (52, 749884), (104, 374942), (208, 187471)]