20138309

素因数分解:

${\mathrm{19}}^1\times {\mathrm{821}}^1\times {\mathrm{1291}}^1$

素因数の和:2131

約数の個数: 8

約数和(自身を含む): 21240480

約数和(自身を除く): 1102171

約数列:

[1, 19, 821, 1291, 15599, 24529, 1059911, 20138309]

約数ペア:

[(1, 20138309), (19, 1059911), (821, 24529), (1291, 15599)]