18115850

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{8837}}^1$

素因数の和:8890

約数の個数: 24

約数和(自身を含む): 34521228

約数和(自身を除く): 16405378

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 205, 410, 1025, 2050, 8837, 17674, 44185, 88370, 220925, 362317, 441850, 724634, 1811585, 3623170, 9057925, 18115850]

約数ペア:

[(1, 18115850), (2, 9057925), (5, 3623170), (10, 1811585), (25, 724634), (41, 441850), (50, 362317), (82, 220925), (205, 88370), (410, 44185), (1025, 17674), (2050, 8837)]