17809987

素因数分解:

${\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{607}}^1$

素因数の和:718

約数の個数: 16

約数和(自身を含む): 20054272

約数和(自身を除く): 2244285

約数列:

[1, 13, 37, 61, 481, 607, 793, 2257, 7891, 22459, 29341, 37027, 291967, 481351, 1369999, 17809987]

約数ペア:

[(1, 17809987), (13, 1369999), (37, 481351), (61, 291967), (481, 37027), (607, 29341), (793, 22459), (2257, 7891)]