19993329664

素因数分解:

$2^{17}\times 7^2\times {\mathrm{11}}^1\times {\mathrm{283}}^1$

素因数の和:342

約数の個数: 216

約数和(自身を含む): 50922850608

約数和(自身を除く): 30929520944

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 49, 56, 64, 77, 88, 98, 112, 128, 154, 176, 196, 224, 256, 283, 308, 352, 392, 448, 512, 539, 566, 616, 704, 784, 896, 1024, 1078, 1132, 1232, 1408, 1568, 1792, 1981, 2048, 2156, 2264, 2464, 2816, 3113, 3136, 3584, 3962, 4096, 4312, 4528, 4928, 5632, 6226, 6272, 7168, 7924, 8192, 8624, 9056, 9856, 11264, 12452, 12544, 13867, 14336, 15848, 16384, 17248, 18112, 19712, 21791, 22528, 24904, 25088, 27734, 28672, 31696, 32768, 34496, 36224, 39424, 43582, 45056, 49808, 50176, 55468, 57344, 63392, 65536, 68992, 72448, 78848, 87164, 90112, 99616, 100352, 110936, 114688, 126784, 131072, 137984, 144896, 152537, 157696, 174328, 180224, 199232, 200704, 221872, 229376, 253568, 275968, 289792, 305074, 315392, 348656, 360448, 398464, 401408, 443744, 458752, 507136, 551936, 579584, 610148, 630784, 697312, 720896, 796928, 802816, 887488, 917504, 1014272, 1103872, 1159168, 1220296, 1261568, 1394624, 1441792, 1593856, 1605632, 1774976, 2028544, 2207744, 2318336, 2440592, 2523136, 2789248, 3187712, 3211264, 3549952, 4057088, 4415488, 4636672, 4881184, 5046272, 5578496, 6375424, 6422528, 7099904, 8114176, 8830976, 9273344, 9762368, 10092544, 11156992, 12750848, 14199808, 16228352, 17661952, 18546688, 19524736, 22313984, 25501696, 28399616, 32456704, 35323904, 37093376, 39049472, 44627968, 51003392, 56799232, 64913408, 70647808, 78098944, 89255936, 102006784, 113598464, 129826816, 156197888, 178511872, 204013568, 227196928, 259653632, 312395776, 357023744, 408027136, 454393856, 624791552, 714047488, 908787712, 1249583104, 1428094976, 1817575424, 2499166208, 2856189952, 4998332416, 9996664832, 19993329664]

約数ペア:

[(1, 19993329664), (2, 9996664832), (4, 4998332416), (7, 2856189952), (8, 2499166208), (11, 1817575424), (14, 1428094976), (16, 1249583104), (22, 908787712), (28, 714047488), (32, 624791552), (44, 454393856), (49, 408027136), (56, 357023744), (64, 312395776), (77, 259653632), (88, 227196928), (98, 204013568), (112, 178511872), (128, 156197888), (154, 129826816), (176, 113598464), (196, 102006784), (224, 89255936), (256, 78098944), (283, 70647808), (308, 64913408), (352, 56799232), (392, 51003392), (448, 44627968), (512, 39049472), (539, 37093376), (566, 35323904), (616, 32456704), (704, 28399616), (784, 25501696), (896, 22313984), (1024, 19524736), (1078, 18546688), (1132, 17661952), (1232, 16228352), (1408, 14199808), (1568, 12750848), (1792, 11156992), (1981, 10092544), (2048, 9762368), (2156, 9273344), (2264, 8830976), (2464, 8114176), (2816, 7099904), (3113, 6422528), (3136, 6375424), (3584, 5578496), (3962, 5046272), (4096, 4881184), (4312, 4636672), (4528, 4415488), (4928, 4057088), (5632, 3549952), (6226, 3211264), (6272, 3187712), (7168, 2789248), (7924, 2523136), (8192, 2440592), (8624, 2318336), (9056, 2207744), (9856, 2028544), (11264, 1774976), (12452, 1605632), (12544, 1593856), (13867, 1441792), (14336, 1394624), (15848, 1261568), (16384, 1220296), (17248, 1159168), (18112, 1103872), (19712, 1014272), (21791, 917504), (22528, 887488), (24904, 802816), (25088, 796928), (27734, 720896), (28672, 697312), (31696, 630784), (32768, 610148), (34496, 579584), (36224, 551936), (39424, 507136), (43582, 458752), (45056, 443744), (49808, 401408), (50176, 398464), (55468, 360448), (57344, 348656), (63392, 315392), (65536, 305074), (68992, 289792), (72448, 275968), (78848, 253568), (87164, 229376), (90112, 221872), (99616, 200704), (100352, 199232), (110936, 180224), (114688, 174328), (126784, 157696), (131072, 152537), (137984, 144896)]