18888389

素因数分解:

${\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{367}}^1$

素因数の和:524

約数の個数: 16

約数和(自身を含む): 21143808

約数和(自身を除く): 2255419

約数列:

[1, 13, 37, 107, 367, 481, 1391, 3959, 4771, 13579, 39269, 51467, 176527, 510497, 1452953, 18888389]

約数ペア:

[(1, 18888389), (13, 1452953), (37, 510497), (107, 176527), (367, 51467), (481, 39269), (1391, 13579), (3959, 4771)]