19287233

素因数分解:

$7^4\times {\mathrm{29}}^1\times {\mathrm{277}}^1$

素因数の和:334

約数の個数: 20

約数和(自身を含む): 23360340

約数和(自身を除く): 4073107

約数列:

[1, 7, 29, 49, 203, 277, 343, 1421, 1939, 2401, 8033, 9947, 13573, 56231, 69629, 95011, 393617, 665077, 2755319, 19287233]

約数ペア:

[(1, 19287233), (7, 2755319), (29, 665077), (49, 393617), (203, 95011), (277, 69629), (343, 56231), (1421, 13573), (1939, 9947), (2401, 8033)]