19840054

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{44887}}^1$

素因数の和:44919

約数の個数: 16

約数和(自身を含む): 33935328

約数和(自身を除く): 14095274

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 44887, 89774, 583531, 763079, 1167062, 1526158, 9920027, 19840054]

約数ペア:

[(1, 19840054), (2, 9920027), (13, 1526158), (17, 1167062), (26, 763079), (34, 583531), (221, 89774), (442, 44887)]