19995011

素因数分解:

${\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{113}}^1\times {\mathrm{139}}^1$

素因数の和:338

約数の個数: 16

約数和(自身を含む): 21705600

約数和(自身を除く): 1710589

約数列:

[1, 19, 67, 113, 139, 1273, 2147, 2641, 7571, 9313, 15707, 143849, 176947, 298433, 1052369, 19995011]

約数ペア:

[(1, 19995011), (19, 1052369), (67, 298433), (113, 176947), (139, 143849), (1273, 15707), (2147, 9313), (2641, 7571)]