18173970

素因数分解:

$2^1\times 3^8\times 5^1\times {\mathrm{277}}^1$

素因数の和:308

約数の個数: 72

約数和(自身を含む): 49244364

約数和(自身を除く): 31070394

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 243, 270, 277, 405, 486, 554, 729, 810, 831, 1215, 1385, 1458, 1662, 2187, 2430, 2493, 2770, 3645, 4155, 4374, 4986, 6561, 7290, 7479, 8310, 10935, 12465, 13122, 14958, 21870, 22437, 24930, 32805, 37395, 44874, 65610, 67311, 74790, 112185, 134622, 201933, 224370, 336555, 403866, 605799, 673110, 1009665, 1211598, 1817397, 2019330, 3028995, 3634794, 6057990, 9086985, 18173970]

約数ペア:

[(1, 18173970), (2, 9086985), (3, 6057990), (5, 3634794), (6, 3028995), (9, 2019330), (10, 1817397), (15, 1211598), (18, 1009665), (27, 673110), (30, 605799), (45, 403866), (54, 336555), (81, 224370), (90, 201933), (135, 134622), (162, 112185), (243, 74790), (270, 67311), (277, 65610), (405, 44874), (486, 37395), (554, 32805), (729, 24930), (810, 22437), (831, 21870), (1215, 14958), (1385, 13122), (1458, 12465), (1662, 10935), (2187, 8310), (2430, 7479), (2493, 7290), (2770, 6561), (3645, 4986), (4155, 4374)]