19464263

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{1999}}^1$

素因数の和:2126

約数の個数: 16

約数和(自身を含む): 24192000

約数和(自身を除く): 4727737

約数列:

[1, 7, 13, 91, 107, 749, 1391, 1999, 9737, 13993, 25987, 181909, 213893, 1497251, 2780609, 19464263]

約数ペア:

[(1, 19464263), (7, 2780609), (13, 1497251), (91, 213893), (107, 181909), (749, 25987), (1391, 13993), (1999, 9737)]