18556993

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{3343}}^1$

素因数の和:3424

約数の個数: 16

約数和(自身を含む): 23220736

約数和(自身を除く): 4663743

約数列:

[1, 7, 13, 61, 91, 427, 793, 3343, 5551, 23401, 43459, 203923, 304213, 1427461, 2650999, 18556993]

約数ペア:

[(1, 18556993), (7, 2650999), (13, 1427461), (61, 304213), (91, 203923), (427, 43459), (793, 23401), (3343, 5551)]