19857310

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{16411}}^1$

素因数の和:16440

約数の個数: 24

約数和(自身を含む): 39290328

約数和(自身を除く): 19433018

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 16411, 32822, 82055, 164110, 180521, 361042, 902605, 1805210, 1985731, 3971462, 9928655, 19857310]

約数ペア:

[(1, 19857310), (2, 9928655), (5, 3971462), (10, 1985731), (11, 1805210), (22, 902605), (55, 361042), (110, 180521), (121, 164110), (242, 82055), (605, 32822), (1210, 16411)]