18220994

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{26717}}^1$

素因数の和:26761

約数の個数: 16

約数和(自身を含む): 30779136

約数和(自身を除く): 12558142

約数列:

[1, 2, 11, 22, 31, 62, 341, 682, 26717, 53434, 293887, 587774, 828227, 1656454, 9110497, 18220994]

約数ペア:

[(1, 18220994), (2, 9110497), (11, 1656454), (22, 828227), (31, 587774), (62, 293887), (341, 53434), (682, 26717)]