19706578

素因数分解:

$2^1\times {\mathrm{103}}^1\times {\mathrm{271}}^1\times {\mathrm{353}}^1$

素因数の和:729

約数の個数: 16

約数和(自身を含む): 30041856

約数和(自身を除く): 10335278

約数列:

[1, 2, 103, 206, 271, 353, 542, 706, 27913, 36359, 55826, 72718, 95663, 191326, 9853289, 19706578]

約数ペア:

[(1, 19706578), (2, 9853289), (103, 191326), (206, 95663), (271, 72718), (353, 55826), (542, 36359), (706, 27913)]