19581107

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{2011}}^1$

素因数の和:2138

約数の個数: 16

約数和(自身を含む): 24337152

約数和(自身を除く): 4756045

約数列:

[1, 7, 13, 91, 107, 749, 1391, 2011, 9737, 14077, 26143, 183001, 215177, 1506239, 2797301, 19581107]

約数ペア:

[(1, 19581107), (7, 2797301), (13, 1506239), (91, 215177), (107, 183001), (749, 26143), (1391, 14077), (2011, 9737)]