18883579

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1$

素因数の和:187

約数の個数: 32

約数和(自身を含む): 23595264

約数和(自身を除く): 4711685

約数列:

[1, 11, 13, 37, 43, 83, 143, 407, 473, 481, 559, 913, 1079, 1591, 3071, 3569, 5291, 6149, 11869, 17501, 20683, 33781, 39259, 39923, 46397, 132053, 227513, 439153, 510367, 1452583, 1716689, 18883579]

約数ペア:

[(1, 18883579), (11, 1716689), (13, 1452583), (37, 510367), (43, 439153), (83, 227513), (143, 132053), (407, 46397), (473, 39923), (481, 39259), (559, 33781), (913, 20683), (1079, 17501), (1591, 11869), (3071, 6149), (3569, 5291)]