18256986

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1$

素因数の和:272

約数の個数: 96

約数和(自身を含む): 47623680

約数和(自身を除く): 29366694

約数列:

[1, 2, 3, 6, 9, 11, 18, 19, 22, 23, 33, 38, 46, 57, 66, 69, 99, 114, 138, 171, 198, 207, 209, 211, 253, 342, 414, 418, 422, 437, 506, 627, 633, 759, 874, 1254, 1266, 1311, 1518, 1881, 1899, 2277, 2321, 2622, 3762, 3798, 3933, 4009, 4554, 4642, 4807, 4853, 6963, 7866, 8018, 9614, 9706, 12027, 13926, 14421, 14559, 20889, 24054, 28842, 29118, 36081, 41778, 43263, 43677, 44099, 53383, 72162, 86526, 87354, 88198, 92207, 106766, 132297, 160149, 184414, 264594, 276621, 320298, 396891, 480447, 553242, 793782, 829863, 960894, 1014277, 1659726, 2028554, 3042831, 6085662, 9128493, 18256986]

約数ペア:

[(1, 18256986), (2, 9128493), (3, 6085662), (6, 3042831), (9, 2028554), (11, 1659726), (18, 1014277), (19, 960894), (22, 829863), (23, 793782), (33, 553242), (38, 480447), (46, 396891), (57, 320298), (66, 276621), (69, 264594), (99, 184414), (114, 160149), (138, 132297), (171, 106766), (198, 92207), (207, 88198), (209, 87354), (211, 86526), (253, 72162), (342, 53383), (414, 44099), (418, 43677), (422, 43263), (437, 41778), (506, 36081), (627, 29118), (633, 28842), (759, 24054), (874, 20889), (1254, 14559), (1266, 14421), (1311, 13926), (1518, 12027), (1881, 9706), (1899, 9614), (2277, 8018), (2321, 7866), (2622, 6963), (3762, 4853), (3798, 4807), (3933, 4642), (4009, 4554)]