19815733

素因数分解:

$7^1\times {\mathrm{43}}^2\times {\mathrm{1531}}^1$

素因数の和:1624

約数の個数: 12

約数和(自身を含む): 23200608

約数和(自身を除く): 3384875

約数列:

[1, 7, 43, 301, 1531, 1849, 10717, 12943, 65833, 460831, 2830819, 19815733]

約数ペア:

[(1, 19815733), (7, 2830819), (43, 460831), (301, 65833), (1531, 12943), (1849, 10717)]