18805212

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^2\times {\mathrm{1447}}^1$

素因数の和:1495

約数の個数: 54

約数和(自身を含む): 50203608

約数和(自身を除く): 31398396

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 361, 684, 722, 1083, 1444, 1447, 2166, 2894, 3249, 4332, 4341, 5788, 6498, 8682, 12996, 13023, 17364, 26046, 27493, 52092, 54986, 82479, 109972, 164958, 247437, 329916, 494874, 522367, 989748, 1044734, 1567101, 2089468, 3134202, 4701303, 6268404, 9402606, 18805212]

約数ペア:

[(1, 18805212), (2, 9402606), (3, 6268404), (4, 4701303), (6, 3134202), (9, 2089468), (12, 1567101), (18, 1044734), (19, 989748), (36, 522367), (38, 494874), (57, 329916), (76, 247437), (114, 164958), (171, 109972), (228, 82479), (342, 54986), (361, 52092), (684, 27493), (722, 26046), (1083, 17364), (1444, 13023), (1447, 12996), (2166, 8682), (2894, 6498), (3249, 5788), (4332, 4341)]