31570514

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^2$

素因数の和:342

約数の個数: 24

約数和(自身を含む): 51377040

約数和(自身を除く): 19806526

約数列:

[1, 2, 19, 38, 43, 86, 139, 278, 817, 1634, 2641, 5282, 5977, 11954, 19321, 38642, 113563, 227126, 367099, 734198, 830803, 1661606, 15785257, 31570514]

約数ペア:

[(1, 31570514), (2, 15785257), (19, 1661606), (38, 830803), (43, 734198), (86, 367099), (139, 227126), (278, 113563), (817, 38642), (1634, 19321), (2641, 11954), (5282, 5977)]