19930771968

素因数分解:

$2^9\times 3^1\times {\mathrm{31}}^1\times {\mathrm{641}}^1\times {\mathrm{653}}^1$

素因数の和:1346

約数の個数: 160

約数和(自身を含む): 54979195392

約数和(自身を除く): 35048423424

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 48, 62, 64, 93, 96, 124, 128, 186, 192, 248, 256, 372, 384, 496, 512, 641, 653, 744, 768, 992, 1282, 1306, 1488, 1536, 1923, 1959, 1984, 2564, 2612, 2976, 3846, 3918, 3968, 5128, 5224, 5952, 7692, 7836, 7936, 10256, 10448, 11904, 15384, 15672, 15872, 19871, 20243, 20512, 20896, 23808, 30768, 31344, 39742, 40486, 41024, 41792, 47616, 59613, 60729, 61536, 62688, 79484, 80972, 82048, 83584, 119226, 121458, 123072, 125376, 158968, 161944, 164096, 167168, 238452, 242916, 246144, 250752, 317936, 323888, 328192, 334336, 418573, 476904, 485832, 492288, 501504, 635872, 647776, 837146, 953808, 971664, 984576, 1003008, 1255719, 1271744, 1295552, 1674292, 1907616, 1943328, 2511438, 2543488, 2591104, 3348584, 3815232, 3886656, 5022876, 5086976, 5182208, 6697168, 7630464, 7773312, 10045752, 10173952, 10364416, 12975763, 13394336, 15260928, 15546624, 20091504, 25951526, 26788672, 30521856, 31093248, 38927289, 40183008, 51903052, 53577344, 77854578, 80366016, 103806104, 107154688, 155709156, 160732032, 207612208, 214309376, 311418312, 321464064, 415224416, 622836624, 642928128, 830448832, 1245673248, 1660897664, 2491346496, 3321795328, 4982692992, 6643590656, 9965385984, 19930771968]

約数ペア:

[(1, 19930771968), (2, 9965385984), (3, 6643590656), (4, 4982692992), (6, 3321795328), (8, 2491346496), (12, 1660897664), (16, 1245673248), (24, 830448832), (31, 642928128), (32, 622836624), (48, 415224416), (62, 321464064), (64, 311418312), (93, 214309376), (96, 207612208), (124, 160732032), (128, 155709156), (186, 107154688), (192, 103806104), (248, 80366016), (256, 77854578), (372, 53577344), (384, 51903052), (496, 40183008), (512, 38927289), (641, 31093248), (653, 30521856), (744, 26788672), (768, 25951526), (992, 20091504), (1282, 15546624), (1306, 15260928), (1488, 13394336), (1536, 12975763), (1923, 10364416), (1959, 10173952), (1984, 10045752), (2564, 7773312), (2612, 7630464), (2976, 6697168), (3846, 5182208), (3918, 5086976), (3968, 5022876), (5128, 3886656), (5224, 3815232), (5952, 3348584), (7692, 2591104), (7836, 2543488), (7936, 2511438), (10256, 1943328), (10448, 1907616), (11904, 1674292), (15384, 1295552), (15672, 1271744), (15872, 1255719), (19871, 1003008), (20243, 984576), (20512, 971664), (20896, 953808), (23808, 837146), (30768, 647776), (31344, 635872), (39742, 501504), (40486, 492288), (41024, 485832), (41792, 476904), (47616, 418573), (59613, 334336), (60729, 328192), (61536, 323888), (62688, 317936), (79484, 250752), (80972, 246144), (82048, 242916), (83584, 238452), (119226, 167168), (121458, 164096), (123072, 161944), (125376, 158968)]