19955733

素因数分解:

$3^1\times 7^1\times {\mathrm{359}}^1\times {\mathrm{2647}}^1$

素因数の和:3016

約数の個数: 16

約数和(自身を含む): 30504960

約数和(自身を除く): 10549227

約数列:

[1, 3, 7, 21, 359, 1077, 2513, 2647, 7539, 7941, 18529, 55587, 950273, 2850819, 6651911, 19955733]

約数ペア:

[(1, 19955733), (3, 6651911), (7, 2850819), (21, 950273), (359, 55587), (1077, 18529), (2513, 7941), (2647, 7539)]