19606559

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:195

約数の個数: 32

約数和(自身を含む): 25105536

約数和(自身を除く): 5498977

約数列:

[1, 7, 17, 37, 61, 73, 119, 259, 427, 511, 629, 1037, 1241, 2257, 2701, 4403, 4453, 7259, 8687, 15799, 18907, 31171, 38369, 45917, 75701, 164761, 268583, 321419, 529907, 1153327, 2800937, 19606559]

約数ペア:

[(1, 19606559), (7, 2800937), (17, 1153327), (37, 529907), (61, 321419), (73, 268583), (119, 164761), (259, 75701), (427, 45917), (511, 38369), (629, 31171), (1037, 18907), (1241, 15799), (2257, 8687), (2701, 7259), (4403, 4453)]