19716177

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{3637}}^1$

素因数の和:3792

約数の個数: 16

約数和(自身を含む): 28521920

約数和(自身を除く): 8805743

約数列:

[1, 3, 13, 39, 139, 417, 1807, 3637, 5421, 10911, 47281, 141843, 505543, 1516629, 6572059, 19716177]

約数ペア:

[(1, 19716177), (3, 6572059), (13, 1516629), (39, 505543), (139, 141843), (417, 47281), (1807, 10911), (3637, 5421)]