18922805

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{269}}^1\times {\mathrm{1279}}^1$

素因数の和:1564

約数の個数: 16

約数和(自身を含む): 24883200

約数和(自身を除く): 5960395

約数列:

[1, 5, 11, 55, 269, 1279, 1345, 2959, 6395, 14069, 14795, 70345, 344051, 1720255, 3784561, 18922805]

約数ペア:

[(1, 18922805), (5, 3784561), (11, 1720255), (55, 344051), (269, 70345), (1279, 14795), (1345, 14069), (2959, 6395)]