19419169

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{101}}^1\times {\mathrm{227}}^1$

素因数の和:357

約数の個数: 24

約数和(自身を含む): 24744384

約数和(自身を除く): 5325215

約数列:

[1, 7, 11, 77, 101, 121, 227, 707, 847, 1111, 1589, 2497, 7777, 12221, 17479, 22927, 27467, 85547, 160489, 192269, 252197, 1765379, 2774167, 19419169]

約数ペア:

[(1, 19419169), (7, 2774167), (11, 1765379), (77, 252197), (101, 192269), (121, 160489), (227, 85547), (707, 27467), (847, 22927), (1111, 17479), (1589, 12221), (2497, 7777)]