19904246

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{25453}}^1$

素因数の和:25495

約数の個数: 16

約数和(自身を含む): 32988384

約数和(自身を除く): 13084138

約数列:

[1, 2, 17, 23, 34, 46, 391, 782, 25453, 50906, 432701, 585419, 865402, 1170838, 9952123, 19904246]

約数ペア:

[(1, 19904246), (2, 9952123), (17, 1170838), (23, 865402), (34, 585419), (46, 432701), (391, 50906), (782, 25453)]