19954083968

素因数分解:

$2^7\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{757}}^1$

素因数の和:895

約数の個数: 256

約数和(自身を含む): 51263600640

約数和(自身を除く): 31309516672

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 32, 52, 56, 62, 64, 73, 91, 104, 112, 124, 128, 146, 182, 208, 217, 224, 248, 292, 364, 403, 416, 434, 448, 496, 511, 584, 728, 757, 806, 832, 868, 896, 949, 992, 1022, 1168, 1456, 1514, 1612, 1664, 1736, 1898, 1984, 2044, 2263, 2336, 2821, 2912, 3028, 3224, 3472, 3796, 3968, 4088, 4526, 4672, 5299, 5642, 5824, 6056, 6448, 6643, 6944, 7592, 8176, 9052, 9344, 9841, 10598, 11284, 11648, 12112, 12896, 13286, 13888, 15184, 15841, 16352, 18104, 19682, 21196, 22568, 23467, 24224, 25792, 26572, 27776, 29419, 30368, 31682, 32704, 36208, 39364, 42392, 45136, 46934, 48448, 51584, 53144, 55261, 58838, 60736, 63364, 65408, 68887, 72416, 78728, 84784, 90272, 93868, 96896, 106288, 110522, 117676, 121472, 126728, 137774, 144832, 157456, 164269, 169568, 180544, 187736, 205933, 212576, 221044, 235352, 253456, 275548, 289664, 305071, 314912, 328538, 339136, 361088, 375472, 386827, 411866, 425152, 442088, 470704, 506912, 551096, 610142, 629824, 657076, 678272, 718393, 750944, 773654, 823732, 850304, 884176, 941408, 1013824, 1102192, 1220284, 1259648, 1314152, 1436786, 1501888, 1547308, 1647464, 1713091, 1768352, 1882816, 2027648, 2135497, 2204384, 2440568, 2628304, 2873572, 3003776, 3094616, 3294928, 3426182, 3536704, 3765632, 4270994, 4408768, 4881136, 5028751, 5256608, 5747144, 6189232, 6589856, 6852364, 7073408, 8541988, 8817536, 9762272, 10057502, 10513216, 11494288, 11991637, 12378464, 13179712, 13704728, 17083976, 19524544, 20115004, 21026432, 22270183, 22988576, 23983274, 24756928, 26359424, 27409456, 34167952, 39049088, 40230008, 44540366, 45977152, 47966548, 49513856, 54818912, 68335904, 80460016, 89080732, 91954304, 95933096, 109637824, 136671808, 155891281, 160920032, 178161464, 191866192, 219275648, 273343616, 311782562, 321840064, 356322928, 383732384, 623565124, 643680128, 712645856, 767464768, 1247130248, 1425291712, 1534929536, 2494260496, 2850583424, 4988520992, 9977041984, 19954083968]

約数ペア:

[(1, 19954083968), (2, 9977041984), (4, 4988520992), (7, 2850583424), (8, 2494260496), (13, 1534929536), (14, 1425291712), (16, 1247130248), (26, 767464768), (28, 712645856), (31, 643680128), (32, 623565124), (52, 383732384), (56, 356322928), (62, 321840064), (64, 311782562), (73, 273343616), (91, 219275648), (104, 191866192), (112, 178161464), (124, 160920032), (128, 155891281), (146, 136671808), (182, 109637824), (208, 95933096), (217, 91954304), (224, 89080732), (248, 80460016), (292, 68335904), (364, 54818912), (403, 49513856), (416, 47966548), (434, 45977152), (448, 44540366), (496, 40230008), (511, 39049088), (584, 34167952), (728, 27409456), (757, 26359424), (806, 24756928), (832, 23983274), (868, 22988576), (896, 22270183), (949, 21026432), (992, 20115004), (1022, 19524544), (1168, 17083976), (1456, 13704728), (1514, 13179712), (1612, 12378464), (1664, 11991637), (1736, 11494288), (1898, 10513216), (1984, 10057502), (2044, 9762272), (2263, 8817536), (2336, 8541988), (2821, 7073408), (2912, 6852364), (3028, 6589856), (3224, 6189232), (3472, 5747144), (3796, 5256608), (3968, 5028751), (4088, 4881136), (4526, 4408768), (4672, 4270994), (5299, 3765632), (5642, 3536704), (5824, 3426182), (6056, 3294928), (6448, 3094616), (6643, 3003776), (6944, 2873572), (7592, 2628304), (8176, 2440568), (9052, 2204384), (9344, 2135497), (9841, 2027648), (10598, 1882816), (11284, 1768352), (11648, 1713091), (12112, 1647464), (12896, 1547308), (13286, 1501888), (13888, 1436786), (15184, 1314152), (15841, 1259648), (16352, 1220284), (18104, 1102192), (19682, 1013824), (21196, 941408), (22568, 884176), (23467, 850304), (24224, 823732), (25792, 773654), (26572, 750944), (27776, 718393), (29419, 678272), (30368, 657076), (31682, 629824), (32704, 610142), (36208, 551096), (39364, 506912), (42392, 470704), (45136, 442088), (46934, 425152), (48448, 411866), (51584, 386827), (53144, 375472), (55261, 361088), (58838, 339136), (60736, 328538), (63364, 314912), (65408, 305071), (68887, 289664), (72416, 275548), (78728, 253456), (84784, 235352), (90272, 221044), (93868, 212576), (96896, 205933), (106288, 187736), (110522, 180544), (117676, 169568), (121472, 164269), (126728, 157456), (137774, 144832)]