19306391

素因数分解:

${\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{1609}}^1$

素因数の和:1706

約数の個数: 12

約数和(自身を含む): 21213360

約数和(自身を除く): 1906969

約数列:

[1, 13, 71, 169, 923, 1609, 11999, 20917, 114239, 271921, 1485107, 19306391]

約数ペア:

[(1, 19306391), (13, 1485107), (71, 271921), (169, 114239), (923, 20917), (1609, 11999)]