18763437

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1889}}^1$

素因数の和:1953

約数の個数: 32

約数和(自身を含む): 31933440

約数和(自身を除く): 13170003

約数列:

[1, 3, 7, 11, 21, 33, 43, 77, 129, 231, 301, 473, 903, 1419, 1889, 3311, 5667, 9933, 13223, 20779, 39669, 62337, 81227, 145453, 243681, 436359, 568589, 893497, 1705767, 2680491, 6254479, 18763437]

約数ペア:

[(1, 18763437), (3, 6254479), (7, 2680491), (11, 1705767), (21, 893497), (33, 568589), (43, 436359), (77, 243681), (129, 145453), (231, 81227), (301, 62337), (473, 39669), (903, 20779), (1419, 13223), (1889, 9933), (3311, 5667)]