18707931

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{419}}^1$

素因数の和:488

約数の個数: 36

約数和(自身を含む): 30499560

約数和(自身を除く): 11791629

約数列:

[1, 3, 9, 11, 33, 41, 99, 121, 123, 363, 369, 419, 451, 1089, 1257, 1353, 3771, 4059, 4609, 4961, 13827, 14883, 17179, 41481, 44649, 50699, 51537, 152097, 154611, 188969, 456291, 566907, 1700721, 2078659, 6235977, 18707931]

約数ペア:

[(1, 18707931), (3, 6235977), (9, 2078659), (11, 1700721), (33, 566907), (41, 456291), (99, 188969), (121, 154611), (123, 152097), (363, 51537), (369, 50699), (419, 44649), (451, 41481), (1089, 17179), (1257, 14883), (1353, 13827), (3771, 4961), (4059, 4609)]