18912421

素因数分解:

${\mathrm{11}}^2\times {\mathrm{149}}^1\times {\mathrm{1049}}^1$

素因数の和:1220

約数の個数: 12

約数和(自身を含む): 20947500

約数和(自身を除く): 2035079

約数列:

[1, 11, 121, 149, 1049, 1639, 11539, 18029, 126929, 156301, 1719311, 18912421]

約数ペア:

[(1, 18912421), (11, 1719311), (121, 156301), (149, 126929), (1049, 18029), (1639, 11539)]