19775077

素因数分解:

$7^2\times {\mathrm{443}}^1\times {\mathrm{911}}^1$

素因数の和:1368

約数の個数: 12

約数和(自身を含む): 23080896

約数和(自身を除く): 3305819

約数列:

[1, 7, 49, 443, 911, 3101, 6377, 21707, 44639, 403573, 2825011, 19775077]

約数ペア:

[(1, 19775077), (7, 2825011), (49, 403573), (443, 44639), (911, 21707), (3101, 6377)]