17940013

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{1439}}^1$

素因数の和:1596

約数の個数: 16

約数和(自身を含む): 22256640

約数和(自身を除く): 4316627

約数列:

[1, 7, 13, 91, 137, 959, 1439, 1781, 10073, 12467, 18707, 130949, 197143, 1380001, 2562859, 17940013]

約数ペア:

[(1, 17940013), (7, 2562859), (13, 1380001), (91, 197143), (137, 130949), (959, 18707), (1439, 12467), (1781, 10073)]