18111978

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1$

素因数の和:296

約数の個数: 64

約数和(自身を含む): 43008000

約数和(自身を除く): 24896022

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 114, 127, 139, 171, 254, 278, 342, 381, 417, 513, 762, 834, 1026, 1143, 1251, 2286, 2413, 2502, 2641, 3429, 3753, 4826, 5282, 6858, 7239, 7506, 7923, 14478, 15846, 17653, 21717, 23769, 35306, 43434, 47538, 52959, 65151, 71307, 105918, 130302, 142614, 158877, 317754, 335407, 476631, 670814, 953262, 1006221, 2012442, 3018663, 6037326, 9055989, 18111978]

約数ペア:

[(1, 18111978), (2, 9055989), (3, 6037326), (6, 3018663), (9, 2012442), (18, 1006221), (19, 953262), (27, 670814), (38, 476631), (54, 335407), (57, 317754), (114, 158877), (127, 142614), (139, 130302), (171, 105918), (254, 71307), (278, 65151), (342, 52959), (381, 47538), (417, 43434), (513, 35306), (762, 23769), (834, 21717), (1026, 17653), (1143, 15846), (1251, 14478), (2286, 7923), (2413, 7506), (2502, 7239), (2641, 6858), (3429, 5282), (3753, 4826)]