18868311

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1433}}^1$

素因数の和:1476

約数の個数: 48

約数和(自身を含む): 35792640

約数和(自身を除く): 16924329

約数列:

[1, 3, 7, 9, 11, 19, 21, 33, 57, 63, 77, 99, 133, 171, 209, 231, 399, 627, 693, 1197, 1433, 1463, 1881, 4299, 4389, 10031, 12897, 13167, 15763, 27227, 30093, 47289, 81681, 90279, 110341, 141867, 190589, 245043, 299497, 331023, 571767, 898491, 993069, 1715301, 2096479, 2695473, 6289437, 18868311]

約数ペア:

[(1, 18868311), (3, 6289437), (7, 2695473), (9, 2096479), (11, 1715301), (19, 993069), (21, 898491), (33, 571767), (57, 331023), (63, 299497), (77, 245043), (99, 190589), (133, 141867), (171, 110341), (209, 90279), (231, 81681), (399, 47289), (627, 30093), (693, 27227), (1197, 15763), (1433, 13167), (1463, 12897), (1881, 10031), (4299, 4389)]