18461808

素因数分解:

$2^4\times 3^2\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1$

素因数の和:167

約数の個数: 120

約数和(自身を含む): 54840240

約数和(自身を除く): 36378432

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 41, 48, 53, 59, 72, 82, 106, 118, 123, 144, 159, 164, 177, 212, 236, 246, 318, 328, 354, 369, 424, 472, 477, 492, 531, 636, 656, 708, 738, 848, 944, 954, 984, 1062, 1272, 1416, 1476, 1908, 1968, 2124, 2173, 2419, 2544, 2832, 2952, 3127, 3816, 4248, 4346, 4838, 5904, 6254, 6519, 7257, 7632, 8496, 8692, 9381, 9676, 12508, 13038, 14514, 17384, 18762, 19352, 19557, 21771, 25016, 26076, 28143, 29028, 34768, 37524, 38704, 39114, 43542, 50032, 52152, 56286, 58056, 75048, 78228, 87084, 104304, 112572, 116112, 128207, 150096, 156456, 174168, 225144, 256414, 312912, 348336, 384621, 450288, 512828, 769242, 1025656, 1153863, 1538484, 2051312, 2307726, 3076968, 4615452, 6153936, 9230904, 18461808]

約数ペア:

[(1, 18461808), (2, 9230904), (3, 6153936), (4, 4615452), (6, 3076968), (8, 2307726), (9, 2051312), (12, 1538484), (16, 1153863), (18, 1025656), (24, 769242), (36, 512828), (41, 450288), (48, 384621), (53, 348336), (59, 312912), (72, 256414), (82, 225144), (106, 174168), (118, 156456), (123, 150096), (144, 128207), (159, 116112), (164, 112572), (177, 104304), (212, 87084), (236, 78228), (246, 75048), (318, 58056), (328, 56286), (354, 52152), (369, 50032), (424, 43542), (472, 39114), (477, 38704), (492, 37524), (531, 34768), (636, 29028), (656, 28143), (708, 26076), (738, 25016), (848, 21771), (944, 19557), (954, 19352), (984, 18762), (1062, 17384), (1272, 14514), (1416, 13038), (1476, 12508), (1908, 9676), (1968, 9381), (2124, 8692), (2173, 8496), (2419, 7632), (2544, 7257), (2832, 6519), (2952, 6254), (3127, 5904), (3816, 4838), (4248, 4346)]