19663707

素因数分解:

$3^1\times 7^1\times {\mathrm{349}}^1\times {\mathrm{2683}}^1$

素因数の和:3042

約数の個数: 16

約数和(自身を含む): 30060800

約数和(自身を除く): 10397093

約数列:

[1, 3, 7, 21, 349, 1047, 2443, 2683, 7329, 8049, 18781, 56343, 936367, 2809101, 6554569, 19663707]

約数ペア:

[(1, 19663707), (3, 6554569), (7, 2809101), (21, 936367), (349, 56343), (1047, 18781), (2443, 8049), (2683, 7329)]