18319580

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{8893}}^1$

素因数の和:9005

約数の個数: 24

約数和(自身を含む): 38848992

約数和(自身を除く): 20529412

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 8893, 17786, 35572, 44465, 88930, 177860, 915979, 1831958, 3663916, 4579895, 9159790, 18319580]

約数ペア:

[(1, 18319580), (2, 9159790), (4, 4579895), (5, 3663916), (10, 1831958), (20, 915979), (103, 177860), (206, 88930), (412, 44465), (515, 35572), (1030, 17786), (2060, 8893)]