18971568

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1$

素因数の和:120

約数の個数: 240

約数和(自身を含む): 69638400

約数和(自身を除く): 50666832

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 16, 18, 21, 22, 24, 28, 29, 33, 36, 42, 44, 48, 56, 58, 59, 63, 66, 72, 77, 84, 87, 88, 99, 112, 116, 118, 126, 132, 144, 154, 168, 174, 176, 177, 198, 203, 231, 232, 236, 252, 261, 264, 308, 319, 336, 348, 354, 396, 406, 413, 462, 464, 472, 504, 522, 528, 531, 609, 616, 638, 649, 693, 696, 708, 792, 812, 826, 924, 944, 957, 1008, 1044, 1062, 1218, 1232, 1239, 1276, 1298, 1386, 1392, 1416, 1584, 1624, 1652, 1711, 1827, 1848, 1914, 1947, 2088, 2124, 2233, 2436, 2478, 2552, 2596, 2772, 2832, 2871, 3248, 3304, 3422, 3654, 3696, 3717, 3828, 3894, 4176, 4248, 4466, 4543, 4872, 4956, 5104, 5133, 5192, 5544, 5742, 5841, 6608, 6699, 6844, 7308, 7434, 7656, 7788, 8496, 8932, 9086, 9744, 9912, 10266, 10384, 11088, 11484, 11682, 11977, 13398, 13629, 13688, 14616, 14868, 15312, 15399, 15576, 17864, 18172, 18821, 19824, 20097, 20532, 22968, 23364, 23954, 26796, 27258, 27376, 29232, 29736, 30798, 31152, 35728, 35931, 36344, 37642, 40194, 40887, 41064, 45936, 46728, 47908, 53592, 54516, 56463, 59472, 61596, 71862, 72688, 75284, 80388, 81774, 82128, 93456, 95816, 107184, 107793, 109032, 112926, 123192, 131747, 143724, 150568, 160776, 163548, 169389, 191632, 215586, 218064, 225852, 246384, 263494, 287448, 301136, 321552, 327096, 338778, 395241, 431172, 451704, 526988, 574896, 654192, 677556, 790482, 862344, 903408, 1053976, 1185723, 1355112, 1580964, 1724688, 2107952, 2371446, 2710224, 3161928, 4742892, 6323856, 9485784, 18971568]

約数ペア:

[(1, 18971568), (2, 9485784), (3, 6323856), (4, 4742892), (6, 3161928), (7, 2710224), (8, 2371446), (9, 2107952), (11, 1724688), (12, 1580964), (14, 1355112), (16, 1185723), (18, 1053976), (21, 903408), (22, 862344), (24, 790482), (28, 677556), (29, 654192), (33, 574896), (36, 526988), (42, 451704), (44, 431172), (48, 395241), (56, 338778), (58, 327096), (59, 321552), (63, 301136), (66, 287448), (72, 263494), (77, 246384), (84, 225852), (87, 218064), (88, 215586), (99, 191632), (112, 169389), (116, 163548), (118, 160776), (126, 150568), (132, 143724), (144, 131747), (154, 123192), (168, 112926), (174, 109032), (176, 107793), (177, 107184), (198, 95816), (203, 93456), (231, 82128), (232, 81774), (236, 80388), (252, 75284), (261, 72688), (264, 71862), (308, 61596), (319, 59472), (336, 56463), (348, 54516), (354, 53592), (396, 47908), (406, 46728), (413, 45936), (462, 41064), (464, 40887), (472, 40194), (504, 37642), (522, 36344), (528, 35931), (531, 35728), (609, 31152), (616, 30798), (638, 29736), (649, 29232), (693, 27376), (696, 27258), (708, 26796), (792, 23954), (812, 23364), (826, 22968), (924, 20532), (944, 20097), (957, 19824), (1008, 18821), (1044, 18172), (1062, 17864), (1218, 15576), (1232, 15399), (1239, 15312), (1276, 14868), (1298, 14616), (1386, 13688), (1392, 13629), (1416, 13398), (1584, 11977), (1624, 11682), (1652, 11484), (1711, 11088), (1827, 10384), (1848, 10266), (1914, 9912), (1947, 9744), (2088, 9086), (2124, 8932), (2233, 8496), (2436, 7788), (2478, 7656), (2552, 7434), (2596, 7308), (2772, 6844), (2832, 6699), (2871, 6608), (3248, 5841), (3304, 5742), (3422, 5544), (3654, 5192), (3696, 5133), (3717, 5104), (3828, 4956), (3894, 4872), (4176, 4543), (4248, 4466)]