19945562

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{3779}}^1$

素因数の和:3830

約数の個数: 32

約数和(自身を含む): 38102400

約数和(自身を除く): 18156838

約数列:

[1, 2, 7, 13, 14, 26, 29, 58, 91, 182, 203, 377, 406, 754, 2639, 3779, 5278, 7558, 26453, 49127, 52906, 98254, 109591, 219182, 343889, 687778, 767137, 1424683, 1534274, 2849366, 9972781, 19945562]

約数ペア:

[(1, 19945562), (2, 9972781), (7, 2849366), (13, 1534274), (14, 1424683), (26, 767137), (29, 687778), (58, 343889), (91, 219182), (182, 109591), (203, 98254), (377, 52906), (406, 49127), (754, 26453), (2639, 7558), (3779, 5278)]