17791982

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{52639}}^1$

素因数の和:52667

約数の個数: 12

約数和(自身を含む): 28899360

約数和(自身を除く): 11107378

約数列:

[1, 2, 13, 26, 169, 338, 52639, 105278, 684307, 1368614, 8895991, 17791982]

約数ペア:

[(1, 17791982), (2, 8895991), (13, 1368614), (26, 684307), (169, 105278), (338, 52639)]