18120945618

素因数分解:

$2^1\times 3^4\times {\mathrm{83}}^1\times {\mathrm{271}}^1\times {\mathrm{4973}}^1$

素因数の和:5341

約数の個数: 80

約数和(自身を含む): 41253480576

約数和(自身を除く): 23132534958

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 83, 162, 166, 249, 271, 498, 542, 747, 813, 1494, 1626, 2241, 2439, 4482, 4878, 4973, 6723, 7317, 9946, 13446, 14634, 14919, 21951, 22493, 29838, 43902, 44757, 44986, 67479, 89514, 134271, 134958, 202437, 268542, 402813, 404874, 412759, 607311, 805626, 825518, 1214622, 1238277, 1347683, 1821933, 2476554, 2695366, 3643866, 3714831, 4043049, 7429662, 8086098, 11144493, 12129147, 22288986, 24258294, 33433479, 36387441, 66866958, 72774882, 109162323, 111857689, 218324646, 223715378, 335573067, 671146134, 1006719201, 2013438402, 3020157603, 6040315206, 9060472809, 18120945618]

約数ペア:

[(1, 18120945618), (2, 9060472809), (3, 6040315206), (6, 3020157603), (9, 2013438402), (18, 1006719201), (27, 671146134), (54, 335573067), (81, 223715378), (83, 218324646), (162, 111857689), (166, 109162323), (249, 72774882), (271, 66866958), (498, 36387441), (542, 33433479), (747, 24258294), (813, 22288986), (1494, 12129147), (1626, 11144493), (2241, 8086098), (2439, 7429662), (4482, 4043049), (4878, 3714831), (4973, 3643866), (6723, 2695366), (7317, 2476554), (9946, 1821933), (13446, 1347683), (14634, 1238277), (14919, 1214622), (21951, 825518), (22493, 805626), (29838, 607311), (43902, 412759), (44757, 404874), (44986, 402813), (67479, 268542), (89514, 202437), (134271, 134958)]