19859723

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{1231}}^1$

素因数の和:1334

約数の個数: 16

約数和(自身を含む): 22974336

約数和(自身を除く): 3114613

約数列:

[1, 13, 17, 73, 221, 949, 1231, 1241, 16003, 16133, 20927, 89863, 272051, 1168219, 1527671, 19859723]

約数ペア:

[(1, 19859723), (13, 1527671), (17, 1168219), (73, 272051), (221, 89863), (949, 20927), (1231, 16133), (1241, 16003)]