19290897664

素因数分解:

$2^8\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{137}}^1$

素因数の和:412

約数の個数: 144

約数和(自身を含む): 40293421056

約数和(自身を除く): 21002523392

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 71, 122, 127, 128, 137, 142, 244, 254, 256, 274, 284, 488, 508, 548, 568, 976, 1016, 1096, 1136, 1952, 2032, 2192, 2272, 3904, 4064, 4331, 4384, 4544, 7747, 7808, 8128, 8357, 8662, 8768, 9017, 9088, 9727, 15494, 15616, 16256, 16714, 17324, 17399, 17536, 18034, 18176, 19454, 30988, 32512, 33428, 34648, 34798, 35072, 36068, 38908, 61976, 66856, 69296, 69596, 72136, 77816, 123952, 133712, 138592, 139192, 144272, 155632, 247904, 267424, 277184, 278384, 288544, 311264, 495808, 534848, 550037, 554368, 556768, 577088, 593347, 622528, 991616, 1061339, 1069696, 1100074, 1108736, 1113536, 1154176, 1186694, 1235329, 1245056, 1983232, 2122678, 2139392, 2200148, 2227072, 2308352, 2373388, 2470658, 2490112, 4245356, 4400296, 4454144, 4746776, 4941316, 8490712, 8800592, 9493552, 9882632, 16981424, 17601184, 18987104, 19765264, 33962848, 35202368, 37974208, 39530528, 67925696, 70404736, 75355069, 75948416, 79061056, 135851392, 140809472, 150710138, 151896832, 158122112, 271702784, 301420276, 316244224, 602840552, 1205681104, 2411362208, 4822724416, 9645448832, 19290897664]

約数ペア:

[(1, 19290897664), (2, 9645448832), (4, 4822724416), (8, 2411362208), (16, 1205681104), (32, 602840552), (61, 316244224), (64, 301420276), (71, 271702784), (122, 158122112), (127, 151896832), (128, 150710138), (137, 140809472), (142, 135851392), (244, 79061056), (254, 75948416), (256, 75355069), (274, 70404736), (284, 67925696), (488, 39530528), (508, 37974208), (548, 35202368), (568, 33962848), (976, 19765264), (1016, 18987104), (1096, 17601184), (1136, 16981424), (1952, 9882632), (2032, 9493552), (2192, 8800592), (2272, 8490712), (3904, 4941316), (4064, 4746776), (4331, 4454144), (4384, 4400296), (4544, 4245356), (7747, 2490112), (7808, 2470658), (8128, 2373388), (8357, 2308352), (8662, 2227072), (8768, 2200148), (9017, 2139392), (9088, 2122678), (9727, 1983232), (15494, 1245056), (15616, 1235329), (16256, 1186694), (16714, 1154176), (17324, 1113536), (17399, 1108736), (17536, 1100074), (18034, 1069696), (18176, 1061339), (19454, 991616), (30988, 622528), (32512, 593347), (33428, 577088), (34648, 556768), (34798, 554368), (35072, 550037), (36068, 534848), (38908, 495808), (61976, 311264), (66856, 288544), (69296, 278384), (69596, 277184), (72136, 267424), (77816, 247904), (123952, 155632), (133712, 144272), (138592, 139192)]