18722770

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{170207}}^1$

素因数の和:170225

約数の個数: 16

約数和(自身を含む): 36764928

約数和(自身を除く): 18042158

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 170207, 340414, 851035, 1702070, 1872277, 3744554, 9361385, 18722770]

約数ペア:

[(1, 18722770), (2, 9361385), (5, 3744554), (10, 1872277), (11, 1702070), (22, 851035), (55, 340414), (110, 170207)]