19697425

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1747}}^1$

素因数の和:1809

約数の個数: 24

約数和(自身を含む): 27310752

約数和(自身を除く): 7613327

約数列:

[1, 5, 11, 25, 41, 55, 205, 275, 451, 1025, 1747, 2255, 8735, 11275, 19217, 43675, 71627, 96085, 358135, 480425, 787897, 1790675, 3939485, 19697425]

約数ペア:

[(1, 19697425), (5, 3939485), (11, 1790675), (25, 787897), (41, 480425), (55, 358135), (205, 96085), (275, 71627), (451, 43675), (1025, 19217), (1747, 11275), (2255, 8735)]