18670896

素因数分解:

$2^4\times 3^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{263}}^1$

素因数の和:323

約数の個数: 120

約数和(自身を含む): 57451680

約数和(自身を除く): 38780784

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 29, 34, 36, 48, 51, 58, 68, 72, 87, 102, 116, 136, 144, 153, 174, 204, 232, 261, 263, 272, 306, 348, 408, 464, 493, 522, 526, 612, 696, 789, 816, 986, 1044, 1052, 1224, 1392, 1479, 1578, 1972, 2088, 2104, 2367, 2448, 2958, 3156, 3944, 4176, 4208, 4437, 4471, 4734, 5916, 6312, 7627, 7888, 8874, 8942, 9468, 11832, 12624, 13413, 15254, 17748, 17884, 18936, 22881, 23664, 26826, 30508, 35496, 35768, 37872, 40239, 45762, 53652, 61016, 68643, 70992, 71536, 80478, 91524, 107304, 122032, 129659, 137286, 160956, 183048, 214608, 259318, 274572, 321912, 366096, 388977, 518636, 549144, 643824, 777954, 1037272, 1098288, 1166931, 1555908, 2074544, 2333862, 3111816, 4667724, 6223632, 9335448, 18670896]

約数ペア:

[(1, 18670896), (2, 9335448), (3, 6223632), (4, 4667724), (6, 3111816), (8, 2333862), (9, 2074544), (12, 1555908), (16, 1166931), (17, 1098288), (18, 1037272), (24, 777954), (29, 643824), (34, 549144), (36, 518636), (48, 388977), (51, 366096), (58, 321912), (68, 274572), (72, 259318), (87, 214608), (102, 183048), (116, 160956), (136, 137286), (144, 129659), (153, 122032), (174, 107304), (204, 91524), (232, 80478), (261, 71536), (263, 70992), (272, 68643), (306, 61016), (348, 53652), (408, 45762), (464, 40239), (493, 37872), (522, 35768), (526, 35496), (612, 30508), (696, 26826), (789, 23664), (816, 22881), (986, 18936), (1044, 17884), (1052, 17748), (1224, 15254), (1392, 13413), (1479, 12624), (1578, 11832), (1972, 9468), (2088, 8942), (2104, 8874), (2367, 7888), (2448, 7627), (2958, 6312), (3156, 5916), (3944, 4734), (4176, 4471), (4208, 4437)]