18571788

素因数分解:

$2^2\times 3^3\times {\mathrm{359}}^1\times {\mathrm{479}}^1$

素因数の和:851

約数の個数: 48

約数和(自身を含む): 48384000

約数和(自身を除く): 29812212

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 359, 479, 718, 958, 1077, 1436, 1437, 1916, 2154, 2874, 3231, 4308, 4311, 5748, 6462, 8622, 9693, 12924, 12933, 17244, 19386, 25866, 38772, 51732, 171961, 343922, 515883, 687844, 1031766, 1547649, 2063532, 3095298, 4642947, 6190596, 9285894, 18571788]

約数ペア:

[(1, 18571788), (2, 9285894), (3, 6190596), (4, 4642947), (6, 3095298), (9, 2063532), (12, 1547649), (18, 1031766), (27, 687844), (36, 515883), (54, 343922), (108, 171961), (359, 51732), (479, 38772), (718, 25866), (958, 19386), (1077, 17244), (1436, 12933), (1437, 12924), (1916, 9693), (2154, 8622), (2874, 6462), (3231, 5748), (4308, 4311)]