18956819

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{241}}^1\times {\mathrm{661}}^1$

素因数の和:926

約数の個数: 16

約数和(自身を含む): 23069376

約数和(自身を除く): 4112557

約数列:

[1, 7, 17, 119, 241, 661, 1687, 4097, 4627, 11237, 28679, 78659, 159301, 1115107, 2708117, 18956819]

約数ペア:

[(1, 18956819), (7, 2708117), (17, 1115107), (119, 159301), (241, 78659), (661, 28679), (1687, 11237), (4097, 4627)]