18020354

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^2\times {\mathrm{443}}^1$

素因数の和:542

約数の個数: 24

約数和(自身を含む): 30257712

約数和(自身を除く): 12237358

約数列:

[1, 2, 11, 22, 43, 86, 443, 473, 886, 946, 1849, 3698, 4873, 9746, 19049, 20339, 38098, 40678, 209539, 419078, 819107, 1638214, 9010177, 18020354]

約数ペア:

[(1, 18020354), (2, 9010177), (11, 1638214), (22, 819107), (43, 419078), (86, 209539), (443, 40678), (473, 38098), (886, 20339), (946, 19049), (1849, 9746), (3698, 4873)]