19659404

素因数分解:

$2^2\times {\mathrm{103}}^1\times {\mathrm{47717}}^1$

素因数の和:47824

約数の個数: 12

約数和(自身を含む): 34738704

約数和(自身を除く): 15079300

約数列:

[1, 2, 4, 103, 206, 412, 47717, 95434, 190868, 4914851, 9829702, 19659404]

約数ペア:

[(1, 19659404), (2, 9829702), (4, 4914851), (103, 190868), (206, 95434), (412, 47717)]