18557795

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{2003}}^1$

素因数の和:2134

約数の個数: 16

約数和(自身を含む): 23807520

約数和(自身を除く): 5249725

約数列:

[1, 5, 17, 85, 109, 545, 1853, 2003, 9265, 10015, 34051, 170255, 218327, 1091635, 3711559, 18557795]

約数ペア:

[(1, 18557795), (5, 3711559), (17, 1091635), (85, 218327), (109, 170255), (545, 34051), (1853, 10015), (2003, 9265)]