18331488

素因数分解:

$2^5\times 3^3\times 7^2\times {\mathrm{433}}^1$

素因数の和:466

約数の個数: 144

約数和(自身を含む): 62339760

約数和(自身を除く): 44008272

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 49, 54, 56, 63, 72, 84, 96, 98, 108, 112, 126, 144, 147, 168, 189, 196, 216, 224, 252, 288, 294, 336, 378, 392, 432, 433, 441, 504, 588, 672, 756, 784, 864, 866, 882, 1008, 1176, 1299, 1323, 1512, 1568, 1732, 1764, 2016, 2352, 2598, 2646, 3024, 3031, 3464, 3528, 3897, 4704, 5196, 5292, 6048, 6062, 6928, 7056, 7794, 9093, 10392, 10584, 11691, 12124, 13856, 14112, 15588, 18186, 20784, 21168, 21217, 23382, 24248, 27279, 31176, 36372, 41568, 42336, 42434, 46764, 48496, 54558, 62352, 63651, 72744, 81837, 84868, 93528, 96992, 109116, 124704, 127302, 145488, 163674, 169736, 187056, 190953, 218232, 254604, 290976, 327348, 339472, 374112, 381906, 436464, 509208, 572859, 654696, 678944, 763812, 872928, 1018416, 1145718, 1309392, 1527624, 2036832, 2291436, 2618784, 3055248, 4582872, 6110496, 9165744, 18331488]

約数ペア:

[(1, 18331488), (2, 9165744), (3, 6110496), (4, 4582872), (6, 3055248), (7, 2618784), (8, 2291436), (9, 2036832), (12, 1527624), (14, 1309392), (16, 1145718), (18, 1018416), (21, 872928), (24, 763812), (27, 678944), (28, 654696), (32, 572859), (36, 509208), (42, 436464), (48, 381906), (49, 374112), (54, 339472), (56, 327348), (63, 290976), (72, 254604), (84, 218232), (96, 190953), (98, 187056), (108, 169736), (112, 163674), (126, 145488), (144, 127302), (147, 124704), (168, 109116), (189, 96992), (196, 93528), (216, 84868), (224, 81837), (252, 72744), (288, 63651), (294, 62352), (336, 54558), (378, 48496), (392, 46764), (432, 42434), (433, 42336), (441, 41568), (504, 36372), (588, 31176), (672, 27279), (756, 24248), (784, 23382), (864, 21217), (866, 21168), (882, 20784), (1008, 18186), (1176, 15588), (1299, 14112), (1323, 13856), (1512, 12124), (1568, 11691), (1732, 10584), (1764, 10392), (2016, 9093), (2352, 7794), (2598, 7056), (2646, 6928), (3024, 6062), (3031, 6048), (3464, 5292), (3528, 5196), (3897, 4704)]