19812266

素因数分解:

$2^1\times {\mathrm{41}}^2\times {\mathrm{71}}^1\times {\mathrm{83}}^1$

素因数の和:238

約数の個数: 24

約数和(自身を含む): 31262112

約数和(自身を除く): 11449846

約数列:

[1, 2, 41, 71, 82, 83, 142, 166, 1681, 2911, 3362, 3403, 5822, 5893, 6806, 11786, 119351, 139523, 238702, 241613, 279046, 483226, 9906133, 19812266]

約数ペア:

[(1, 19812266), (2, 9906133), (41, 483226), (71, 279046), (82, 241613), (83, 238702), (142, 139523), (166, 119351), (1681, 11786), (2911, 6806), (3362, 5893), (3403, 5822)]