18891054

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{607}}^1$

素因数の和:654

約数の個数: 96

約数和(自身を含む): 53114880

約数和(自身を除く): 34223826

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 19, 21, 26, 38, 39, 42, 57, 63, 78, 91, 114, 117, 126, 133, 171, 182, 234, 247, 266, 273, 342, 399, 494, 546, 607, 741, 798, 819, 1197, 1214, 1482, 1638, 1729, 1821, 2223, 2394, 3458, 3642, 4249, 4446, 5187, 5463, 7891, 8498, 10374, 10926, 11533, 12747, 15561, 15782, 23066, 23673, 25494, 31122, 34599, 38241, 47346, 55237, 69198, 71019, 76482, 80731, 103797, 110474, 142038, 149929, 161462, 165711, 207594, 242193, 299858, 331422, 449787, 484386, 497133, 726579, 899574, 994266, 1049503, 1349361, 1453158, 2099006, 2698722, 3148509, 6297018, 9445527, 18891054]

約数ペア:

[(1, 18891054), (2, 9445527), (3, 6297018), (6, 3148509), (7, 2698722), (9, 2099006), (13, 1453158), (14, 1349361), (18, 1049503), (19, 994266), (21, 899574), (26, 726579), (38, 497133), (39, 484386), (42, 449787), (57, 331422), (63, 299858), (78, 242193), (91, 207594), (114, 165711), (117, 161462), (126, 149929), (133, 142038), (171, 110474), (182, 103797), (234, 80731), (247, 76482), (266, 71019), (273, 69198), (342, 55237), (399, 47346), (494, 38241), (546, 34599), (607, 31122), (741, 25494), (798, 23673), (819, 23066), (1197, 15782), (1214, 15561), (1482, 12747), (1638, 11533), (1729, 10926), (1821, 10374), (2223, 8498), (2394, 7891), (3458, 5463), (3642, 5187), (4249, 4446)]