18547749

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{4357}}^1$

素因数の和:4417

約数の個数: 24

約数和(自身を含む): 29913312

約数和(自身を除く): 11365563

約数列:

[1, 3, 9, 11, 33, 43, 99, 129, 387, 473, 1419, 4257, 4357, 13071, 39213, 47927, 143781, 187351, 431343, 562053, 1686159, 2060861, 6182583, 18547749]

約数ペア:

[(1, 18547749), (3, 6182583), (9, 2060861), (11, 1686159), (33, 562053), (43, 431343), (99, 187351), (129, 143781), (387, 47927), (473, 39213), (1419, 13071), (4257, 4357)]