18523544

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{643}}^1$

素因数の和:939

約数の個数: 32

約数和(自身を含む): 37596720

約数和(自身を除く): 19073176

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 277, 554, 643, 1108, 1286, 2216, 2572, 3601, 5144, 7202, 8359, 14404, 16718, 28808, 33436, 66872, 178111, 356222, 712444, 1424888, 2315443, 4630886, 9261772, 18523544]

約数ペア:

[(1, 18523544), (2, 9261772), (4, 4630886), (8, 2315443), (13, 1424888), (26, 712444), (52, 356222), (104, 178111), (277, 66872), (554, 33436), (643, 28808), (1108, 16718), (1286, 14404), (2216, 8359), (2572, 7202), (3601, 5144)]