19947167744

素因数分解:

$2^{13}\times 7^3\times {\mathrm{31}}^1\times {\mathrm{229}}^1$

素因数の和:307

約数の個数: 224

約数和(自身を含む): 48231552000

約数和(自身を除く): 28284384256

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 49, 56, 62, 64, 98, 112, 124, 128, 196, 217, 224, 229, 248, 256, 343, 392, 434, 448, 458, 496, 512, 686, 784, 868, 896, 916, 992, 1024, 1372, 1519, 1568, 1603, 1736, 1792, 1832, 1984, 2048, 2744, 3038, 3136, 3206, 3472, 3584, 3664, 3968, 4096, 5488, 6076, 6272, 6412, 6944, 7099, 7168, 7328, 7936, 8192, 10633, 10976, 11221, 12152, 12544, 12824, 13888, 14198, 14336, 14656, 15872, 21266, 21952, 22442, 24304, 25088, 25648, 27776, 28396, 28672, 29312, 31744, 42532, 43904, 44884, 48608, 49693, 50176, 51296, 55552, 56792, 57344, 58624, 63488, 78547, 85064, 87808, 89768, 97216, 99386, 100352, 102592, 111104, 113584, 117248, 126976, 157094, 170128, 175616, 179536, 194432, 198772, 200704, 205184, 222208, 227168, 234496, 253952, 314188, 340256, 347851, 351232, 359072, 388864, 397544, 401408, 410368, 444416, 454336, 468992, 628376, 680512, 695702, 702464, 718144, 777728, 795088, 820736, 888832, 908672, 937984, 1256752, 1361024, 1391404, 1404928, 1436288, 1555456, 1590176, 1641472, 1777664, 1817344, 1875968, 2434957, 2513504, 2722048, 2782808, 2809856, 2872576, 3110912, 3180352, 3282944, 3634688, 4869914, 5027008, 5444096, 5565616, 5745152, 6221824, 6360704, 6565888, 7269376, 9739828, 10054016, 10888192, 11131232, 11490304, 12443648, 12721408, 13131776, 14538752, 19479656, 20108032, 21776384, 22262464, 22980608, 25442816, 29077504, 38959312, 40216064, 43552768, 44524928, 45961216, 50885632, 58155008, 77918624, 80432128, 87105536, 89049856, 91922432, 101771264, 155837248, 160864256, 178099712, 203542528, 311674496, 321728512, 356199424, 407085056, 623348992, 643457024, 712398848, 1246697984, 1424797696, 2493395968, 2849595392, 4986791936, 9973583872, 19947167744]

約数ペア:

[(1, 19947167744), (2, 9973583872), (4, 4986791936), (7, 2849595392), (8, 2493395968), (14, 1424797696), (16, 1246697984), (28, 712398848), (31, 643457024), (32, 623348992), (49, 407085056), (56, 356199424), (62, 321728512), (64, 311674496), (98, 203542528), (112, 178099712), (124, 160864256), (128, 155837248), (196, 101771264), (217, 91922432), (224, 89049856), (229, 87105536), (248, 80432128), (256, 77918624), (343, 58155008), (392, 50885632), (434, 45961216), (448, 44524928), (458, 43552768), (496, 40216064), (512, 38959312), (686, 29077504), (784, 25442816), (868, 22980608), (896, 22262464), (916, 21776384), (992, 20108032), (1024, 19479656), (1372, 14538752), (1519, 13131776), (1568, 12721408), (1603, 12443648), (1736, 11490304), (1792, 11131232), (1832, 10888192), (1984, 10054016), (2048, 9739828), (2744, 7269376), (3038, 6565888), (3136, 6360704), (3206, 6221824), (3472, 5745152), (3584, 5565616), (3664, 5444096), (3968, 5027008), (4096, 4869914), (5488, 3634688), (6076, 3282944), (6272, 3180352), (6412, 3110912), (6944, 2872576), (7099, 2809856), (7168, 2782808), (7328, 2722048), (7936, 2513504), (8192, 2434957), (10633, 1875968), (10976, 1817344), (11221, 1777664), (12152, 1641472), (12544, 1590176), (12824, 1555456), (13888, 1436288), (14198, 1404928), (14336, 1391404), (14656, 1361024), (15872, 1256752), (21266, 937984), (21952, 908672), (22442, 888832), (24304, 820736), (25088, 795088), (25648, 777728), (27776, 718144), (28396, 702464), (28672, 695702), (29312, 680512), (31744, 628376), (42532, 468992), (43904, 454336), (44884, 444416), (48608, 410368), (49693, 401408), (50176, 397544), (51296, 388864), (55552, 359072), (56792, 351232), (57344, 347851), (58624, 340256), (63488, 314188), (78547, 253952), (85064, 234496), (87808, 227168), (89768, 222208), (97216, 205184), (99386, 200704), (100352, 198772), (102592, 194432), (111104, 179536), (113584, 175616), (117248, 170128), (126976, 157094)]