18966310

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{172421}}^1$

素因数の和:172439

約数の個数: 16

約数和(自身を含む): 37243152

約数和(自身を除く): 18276842

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 172421, 344842, 862105, 1724210, 1896631, 3793262, 9483155, 18966310]

約数ペア:

[(1, 18966310), (2, 9483155), (5, 3793262), (10, 1896631), (11, 1724210), (22, 862105), (55, 344842), (110, 172421)]