18712458

素因数分解:

$2^1\times 3^5\times {\mathrm{139}}^1\times {\mathrm{277}}^1$

素因数の和:433

約数の個数: 48

約数和(自身を含む): 42500640

約数和(自身を除く): 23788182

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 139, 162, 243, 277, 278, 417, 486, 554, 831, 834, 1251, 1662, 2493, 2502, 3753, 4986, 7479, 7506, 11259, 14958, 22437, 22518, 33777, 38503, 44874, 67311, 67554, 77006, 115509, 134622, 231018, 346527, 693054, 1039581, 2079162, 3118743, 6237486, 9356229, 18712458]

約数ペア:

[(1, 18712458), (2, 9356229), (3, 6237486), (6, 3118743), (9, 2079162), (18, 1039581), (27, 693054), (54, 346527), (81, 231018), (139, 134622), (162, 115509), (243, 77006), (277, 67554), (278, 67311), (417, 44874), (486, 38503), (554, 33777), (831, 22518), (834, 22437), (1251, 14958), (1662, 11259), (2493, 7506), (2502, 7479), (3753, 4986)]