18224717

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1$

素因数の和:297

約数の個数: 24

約数和(自身を含む): 22478976

約数和(自身を除く): 4254259

約数列:

[1, 7, 23, 49, 103, 157, 161, 721, 1099, 1127, 2369, 3611, 5047, 7693, 16171, 16583, 25277, 113197, 116081, 176939, 371933, 792379, 2603531, 18224717]

約数ペア:

[(1, 18224717), (7, 2603531), (23, 792379), (49, 371933), (103, 176939), (157, 116081), (161, 113197), (721, 25277), (1099, 16583), (1127, 16171), (2369, 7693), (3611, 5047)]