18968928

素因数分解:

$2^5\times 3^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:129

約数の個数: 144

約数和(自身を含む): 57915648

約数和(自身を除く): 38946720

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 23, 24, 32, 33, 44, 46, 48, 66, 69, 71, 88, 92, 96, 121, 132, 138, 142, 176, 184, 213, 242, 253, 264, 276, 284, 352, 363, 368, 426, 484, 506, 528, 552, 568, 726, 736, 759, 781, 852, 968, 1012, 1056, 1104, 1136, 1452, 1518, 1562, 1633, 1704, 1936, 2024, 2208, 2272, 2343, 2783, 2904, 3036, 3124, 3266, 3408, 3872, 4048, 4686, 4899, 5566, 5808, 6072, 6248, 6532, 6816, 8096, 8349, 8591, 9372, 9798, 11132, 11616, 12144, 12496, 13064, 16698, 17182, 17963, 18744, 19596, 22264, 24288, 24992, 25773, 26128, 33396, 34364, 35926, 37488, 39192, 44528, 51546, 52256, 53889, 66792, 68728, 71852, 74976, 78384, 89056, 103092, 107778, 133584, 137456, 143704, 156768, 197593, 206184, 215556, 267168, 274912, 287408, 395186, 412368, 431112, 574816, 592779, 790372, 824736, 862224, 1185558, 1580744, 1724448, 2371116, 3161488, 4742232, 6322976, 9484464, 18968928]

約数ペア:

[(1, 18968928), (2, 9484464), (3, 6322976), (4, 4742232), (6, 3161488), (8, 2371116), (11, 1724448), (12, 1580744), (16, 1185558), (22, 862224), (23, 824736), (24, 790372), (32, 592779), (33, 574816), (44, 431112), (46, 412368), (48, 395186), (66, 287408), (69, 274912), (71, 267168), (88, 215556), (92, 206184), (96, 197593), (121, 156768), (132, 143704), (138, 137456), (142, 133584), (176, 107778), (184, 103092), (213, 89056), (242, 78384), (253, 74976), (264, 71852), (276, 68728), (284, 66792), (352, 53889), (363, 52256), (368, 51546), (426, 44528), (484, 39192), (506, 37488), (528, 35926), (552, 34364), (568, 33396), (726, 26128), (736, 25773), (759, 24992), (781, 24288), (852, 22264), (968, 19596), (1012, 18744), (1056, 17963), (1104, 17182), (1136, 16698), (1452, 13064), (1518, 12496), (1562, 12144), (1633, 11616), (1704, 11132), (1936, 9798), (2024, 9372), (2208, 8591), (2272, 8349), (2343, 8096), (2783, 6816), (2904, 6532), (3036, 6248), (3124, 6072), (3266, 5808), (3408, 5566), (3872, 4899), (4048, 4686)]