19756467

素因数分解:

$3^4\times {\mathrm{191}}^1\times {\mathrm{1277}}^1$

素因数の和:1480

約数の個数: 20

約数和(自身を含む): 29690496

約数和(自身を除く): 9934029

約数列:

[1, 3, 9, 27, 81, 191, 573, 1277, 1719, 3831, 5157, 11493, 15471, 34479, 103437, 243907, 731721, 2195163, 6585489, 19756467]

約数ペア:

[(1, 19756467), (3, 6585489), (9, 2195163), (27, 731721), (81, 243907), (191, 103437), (573, 34479), (1277, 15471), (1719, 11493), (3831, 5157)]