18900576

素因数分解:

$2^5\times 3^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:149

約数の個数: 144

約数和(自身を含む): 58181760

約数和(自身を除く): 39281184

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 29, 31, 32, 36, 48, 58, 62, 72, 73, 87, 93, 96, 116, 124, 144, 146, 174, 186, 219, 232, 248, 261, 279, 288, 292, 348, 372, 438, 464, 496, 522, 558, 584, 657, 696, 744, 876, 899, 928, 992, 1044, 1116, 1168, 1314, 1392, 1488, 1752, 1798, 2088, 2117, 2232, 2263, 2336, 2628, 2697, 2784, 2976, 3504, 3596, 4176, 4234, 4464, 4526, 5256, 5394, 6351, 6789, 7008, 7192, 8091, 8352, 8468, 8928, 9052, 10512, 10788, 12702, 13578, 14384, 16182, 16936, 18104, 19053, 20367, 21024, 21576, 25404, 27156, 28768, 32364, 33872, 36208, 38106, 40734, 43152, 50808, 54312, 64728, 65627, 67744, 72416, 76212, 81468, 86304, 101616, 108624, 129456, 131254, 152424, 162936, 196881, 203232, 217248, 258912, 262508, 304848, 325872, 393762, 525016, 590643, 609696, 651744, 787524, 1050032, 1181286, 1575048, 2100064, 2362572, 3150096, 4725144, 6300192, 9450288, 18900576]

約数ペア:

[(1, 18900576), (2, 9450288), (3, 6300192), (4, 4725144), (6, 3150096), (8, 2362572), (9, 2100064), (12, 1575048), (16, 1181286), (18, 1050032), (24, 787524), (29, 651744), (31, 609696), (32, 590643), (36, 525016), (48, 393762), (58, 325872), (62, 304848), (72, 262508), (73, 258912), (87, 217248), (93, 203232), (96, 196881), (116, 162936), (124, 152424), (144, 131254), (146, 129456), (174, 108624), (186, 101616), (219, 86304), (232, 81468), (248, 76212), (261, 72416), (279, 67744), (288, 65627), (292, 64728), (348, 54312), (372, 50808), (438, 43152), (464, 40734), (496, 38106), (522, 36208), (558, 33872), (584, 32364), (657, 28768), (696, 27156), (744, 25404), (876, 21576), (899, 21024), (928, 20367), (992, 19053), (1044, 18104), (1116, 16936), (1168, 16182), (1314, 14384), (1392, 13578), (1488, 12702), (1752, 10788), (1798, 10512), (2088, 9052), (2117, 8928), (2232, 8468), (2263, 8352), (2336, 8091), (2628, 7192), (2697, 7008), (2784, 6789), (2976, 6351), (3504, 5394), (3596, 5256), (4176, 4526), (4234, 4464)]