18300140

素因数分解:

$2^2\times 5^1\times {\mathrm{915007}}^1$

素因数の和:915016

約数の個数: 12

約数和(自身を含む): 38430336

約数和(自身を除く): 20130196

約数列:

[1, 2, 4, 5, 10, 20, 915007, 1830014, 3660028, 4575035, 9150070, 18300140]

約数ペア:

[(1, 18300140), (2, 9150070), (4, 4575035), (5, 3660028), (10, 1830014), (20, 915007)]