2018188431

素因数分解:

$3^2\times 7^2\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{1093}}^1$

素因数の和:1245

約数の個数: 72

約数和(自身を含む): 3502025280

約数和(自身を除く): 1483836849

約数列:

[1, 3, 7, 9, 21, 49, 53, 63, 79, 147, 159, 237, 371, 441, 477, 553, 711, 1093, 1113, 1659, 2597, 3279, 3339, 3871, 4187, 4977, 7651, 7791, 9837, 11613, 12561, 22953, 23373, 29309, 34839, 37683, 53557, 57929, 68859, 86347, 87927, 160671, 173787, 205163, 259041, 263781, 405503, 482013, 521361, 604429, 615489, 777123, 1216509, 1813287, 1846467, 2838521, 3649527, 4231003, 4576391, 5439861, 8515563, 12693009, 13729173, 25546689, 32034737, 38079027, 41187519, 96104211, 224243159, 288312633, 672729477, 2018188431]

約数ペア:

[(1, 2018188431), (3, 672729477), (7, 288312633), (9, 224243159), (21, 96104211), (49, 41187519), (53, 38079027), (63, 32034737), (79, 25546689), (147, 13729173), (159, 12693009), (237, 8515563), (371, 5439861), (441, 4576391), (477, 4231003), (553, 3649527), (711, 2838521), (1093, 1846467), (1113, 1813287), (1659, 1216509), (2597, 777123), (3279, 615489), (3339, 604429), (3871, 521361), (4187, 482013), (4977, 405503), (7651, 263781), (7791, 259041), (9837, 205163), (11613, 173787), (12561, 160671), (22953, 87927), (23373, 86347), (29309, 68859), (34839, 57929), (37683, 53557)]