18905216

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{463}}^1$

素因数の和:517

約数の個数: 64

約数和(自身を含む): 42595200

約数和(自身を除く): 23689984

約数列:

[1, 2, 4, 8, 11, 16, 22, 29, 32, 44, 58, 64, 88, 116, 128, 176, 232, 319, 352, 463, 464, 638, 704, 926, 928, 1276, 1408, 1852, 1856, 2552, 3704, 3712, 5093, 5104, 7408, 10186, 10208, 13427, 14816, 20372, 20416, 26854, 29632, 40744, 40832, 53708, 59264, 81488, 107416, 147697, 162976, 214832, 295394, 325952, 429664, 590788, 651904, 859328, 1181576, 1718656, 2363152, 4726304, 9452608, 18905216]

約数ペア:

[(1, 18905216), (2, 9452608), (4, 4726304), (8, 2363152), (11, 1718656), (16, 1181576), (22, 859328), (29, 651904), (32, 590788), (44, 429664), (58, 325952), (64, 295394), (88, 214832), (116, 162976), (128, 147697), (176, 107416), (232, 81488), (319, 59264), (352, 53708), (463, 40832), (464, 40744), (638, 29632), (704, 26854), (926, 20416), (928, 20372), (1276, 14816), (1408, 13427), (1852, 10208), (1856, 10186), (2552, 7408), (3704, 5104), (3712, 5093)]