18997411840

素因数分解:

$2^{15}\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1$

素因数の和:256

約数の個数: 256

約数和(自身を含む): 50733527040

約数和(自身を除く): 31736115200

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 83, 88, 110, 127, 128, 160, 166, 176, 220, 254, 256, 320, 332, 352, 415, 440, 508, 512, 635, 640, 664, 704, 830, 880, 913, 1016, 1024, 1270, 1280, 1328, 1397, 1408, 1660, 1760, 1826, 2032, 2048, 2540, 2560, 2656, 2794, 2816, 3320, 3520, 3652, 4064, 4096, 4565, 5080, 5120, 5312, 5588, 5632, 6640, 6985, 7040, 7304, 8128, 8192, 9130, 10160, 10240, 10541, 10624, 11176, 11264, 13280, 13970, 14080, 14608, 16256, 16384, 18260, 20320, 20480, 21082, 21248, 22352, 22528, 26560, 27940, 28160, 29216, 32512, 32768, 36520, 40640, 40960, 42164, 42496, 44704, 45056, 52705, 53120, 55880, 56320, 58432, 65024, 73040, 81280, 81920, 84328, 84992, 89408, 90112, 105410, 106240, 111760, 112640, 115951, 116864, 130048, 146080, 162560, 163840, 168656, 169984, 178816, 180224, 210820, 212480, 223520, 225280, 231902, 233728, 260096, 292160, 325120, 337312, 339968, 357632, 360448, 421640, 424960, 447040, 450560, 463804, 467456, 520192, 579755, 584320, 650240, 674624, 679936, 715264, 843280, 849920, 894080, 901120, 927608, 934912, 1040384, 1159510, 1168640, 1300480, 1349248, 1359872, 1430528, 1686560, 1699840, 1788160, 1802240, 1855216, 1869824, 2080768, 2319020, 2337280, 2600960, 2698496, 2719744, 2861056, 3373120, 3399680, 3576320, 3710432, 3739648, 4161536, 4638040, 4674560, 5201920, 5396992, 5722112, 6746240, 6799360, 7152640, 7420864, 7479296, 9276080, 9349120, 10403840, 10793984, 11444224, 13492480, 13598720, 14305280, 14841728, 14958592, 18552160, 18698240, 20807680, 21587968, 22888448, 26984960, 28610560, 29683456, 29917184, 37104320, 37396480, 43175936, 45776896, 53969920, 57221120, 59366912, 74208640, 74792960, 86351872, 107939840, 114442240, 118733824, 148417280, 149585920, 172703744, 215879680, 228884480, 237467648, 296834560, 345407488, 431759360, 474935296, 593669120, 863518720, 949870592, 1187338240, 1727037440, 1899741184, 2374676480, 3799482368, 4749352960, 9498705920, 18997411840]

約数ペア:

[(1, 18997411840), (2, 9498705920), (4, 4749352960), (5, 3799482368), (8, 2374676480), (10, 1899741184), (11, 1727037440), (16, 1187338240), (20, 949870592), (22, 863518720), (32, 593669120), (40, 474935296), (44, 431759360), (55, 345407488), (64, 296834560), (80, 237467648), (83, 228884480), (88, 215879680), (110, 172703744), (127, 149585920), (128, 148417280), (160, 118733824), (166, 114442240), (176, 107939840), (220, 86351872), (254, 74792960), (256, 74208640), (320, 59366912), (332, 57221120), (352, 53969920), (415, 45776896), (440, 43175936), (508, 37396480), (512, 37104320), (635, 29917184), (640, 29683456), (664, 28610560), (704, 26984960), (830, 22888448), (880, 21587968), (913, 20807680), (1016, 18698240), (1024, 18552160), (1270, 14958592), (1280, 14841728), (1328, 14305280), (1397, 13598720), (1408, 13492480), (1660, 11444224), (1760, 10793984), (1826, 10403840), (2032, 9349120), (2048, 9276080), (2540, 7479296), (2560, 7420864), (2656, 7152640), (2794, 6799360), (2816, 6746240), (3320, 5722112), (3520, 5396992), (3652, 5201920), (4064, 4674560), (4096, 4638040), (4565, 4161536), (5080, 3739648), (5120, 3710432), (5312, 3576320), (5588, 3399680), (5632, 3373120), (6640, 2861056), (6985, 2719744), (7040, 2698496), (7304, 2600960), (8128, 2337280), (8192, 2319020), (9130, 2080768), (10160, 1869824), (10240, 1855216), (10541, 1802240), (10624, 1788160), (11176, 1699840), (11264, 1686560), (13280, 1430528), (13970, 1359872), (14080, 1349248), (14608, 1300480), (16256, 1168640), (16384, 1159510), (18260, 1040384), (20320, 934912), (20480, 927608), (21082, 901120), (21248, 894080), (22352, 849920), (22528, 843280), (26560, 715264), (27940, 679936), (28160, 674624), (29216, 650240), (32512, 584320), (32768, 579755), (36520, 520192), (40640, 467456), (40960, 463804), (42164, 450560), (42496, 447040), (44704, 424960), (45056, 421640), (52705, 360448), (53120, 357632), (55880, 339968), (56320, 337312), (58432, 325120), (65024, 292160), (73040, 260096), (81280, 233728), (81920, 231902), (84328, 225280), (84992, 223520), (89408, 212480), (90112, 210820), (105410, 180224), (106240, 178816), (111760, 169984), (112640, 168656), (115951, 163840), (116864, 162560), (130048, 146080)]