18810928494

素因数分解:

$2^1\times 3^2\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{179}}^1\times {\mathrm{1087}}^1$

素因数の和:1446

約数の個数: 96

約数和(自身を含む): 42343741440

約数和(自身を除く): 23532812946

約数列:

[1, 2, 3, 6, 9, 18, 41, 82, 123, 131, 179, 246, 262, 358, 369, 393, 537, 738, 786, 1074, 1087, 1179, 1611, 2174, 2358, 3222, 3261, 5371, 6522, 7339, 9783, 10742, 14678, 16113, 19566, 22017, 23449, 32226, 44034, 44567, 46898, 48339, 66051, 70347, 89134, 96678, 132102, 133701, 140694, 142397, 194573, 211041, 267402, 284794, 389146, 401103, 422082, 427191, 583719, 802206, 854382, 961409, 1167438, 1281573, 1751157, 1922818, 2563146, 2884227, 3502314, 5768454, 5838277, 7977493, 8652681, 11676554, 15954986, 17305362, 17514831, 23932479, 25489063, 35029662, 47864958, 50978126, 52544493, 71797437, 76467189, 105088986, 143594874, 152934378, 229401567, 458803134, 1045051583, 2090103166, 3135154749, 6270309498, 9405464247, 18810928494]

約数ペア:

[(1, 18810928494), (2, 9405464247), (3, 6270309498), (6, 3135154749), (9, 2090103166), (18, 1045051583), (41, 458803134), (82, 229401567), (123, 152934378), (131, 143594874), (179, 105088986), (246, 76467189), (262, 71797437), (358, 52544493), (369, 50978126), (393, 47864958), (537, 35029662), (738, 25489063), (786, 23932479), (1074, 17514831), (1087, 17305362), (1179, 15954986), (1611, 11676554), (2174, 8652681), (2358, 7977493), (3222, 5838277), (3261, 5768454), (5371, 3502314), (6522, 2884227), (7339, 2563146), (9783, 1922818), (10742, 1751157), (14678, 1281573), (16113, 1167438), (19566, 961409), (22017, 854382), (23449, 802206), (32226, 583719), (44034, 427191), (44567, 422082), (46898, 401103), (48339, 389146), (66051, 284794), (70347, 267402), (89134, 211041), (96678, 194573), (132102, 142397), (133701, 140694)]