18867168

素因数分解:

$2^5\times 3^4\times {\mathrm{29}}^1\times {\mathrm{251}}^1$

素因数の和:302

約数の個数: 120

約数和(自身を含む): 57629880

約数和(自身を除く): 38762712

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 29, 32, 36, 48, 54, 58, 72, 81, 87, 96, 108, 116, 144, 162, 174, 216, 232, 251, 261, 288, 324, 348, 432, 464, 502, 522, 648, 696, 753, 783, 864, 928, 1004, 1044, 1296, 1392, 1506, 1566, 2008, 2088, 2259, 2349, 2592, 2784, 3012, 3132, 4016, 4176, 4518, 4698, 6024, 6264, 6777, 7279, 8032, 8352, 9036, 9396, 12048, 12528, 13554, 14558, 18072, 18792, 20331, 21837, 24096, 25056, 27108, 29116, 36144, 37584, 40662, 43674, 54216, 58232, 65511, 72288, 75168, 81324, 87348, 108432, 116464, 131022, 162648, 174696, 196533, 216864, 232928, 262044, 325296, 349392, 393066, 524088, 589599, 650592, 698784, 786132, 1048176, 1179198, 1572264, 2096352, 2358396, 3144528, 4716792, 6289056, 9433584, 18867168]

約数ペア:

[(1, 18867168), (2, 9433584), (3, 6289056), (4, 4716792), (6, 3144528), (8, 2358396), (9, 2096352), (12, 1572264), (16, 1179198), (18, 1048176), (24, 786132), (27, 698784), (29, 650592), (32, 589599), (36, 524088), (48, 393066), (54, 349392), (58, 325296), (72, 262044), (81, 232928), (87, 216864), (96, 196533), (108, 174696), (116, 162648), (144, 131022), (162, 116464), (174, 108432), (216, 87348), (232, 81324), (251, 75168), (261, 72288), (288, 65511), (324, 58232), (348, 54216), (432, 43674), (464, 40662), (502, 37584), (522, 36144), (648, 29116), (696, 27108), (753, 25056), (783, 24096), (864, 21837), (928, 20331), (1004, 18792), (1044, 18072), (1296, 14558), (1392, 13554), (1506, 12528), (1566, 12048), (2008, 9396), (2088, 9036), (2259, 8352), (2349, 8032), (2592, 7279), (2784, 6777), (3012, 6264), (3132, 6024), (4016, 4698), (4176, 4518)]