18189995

素因数分解:

$5^1\times {\mathrm{59}}^1\times {\mathrm{197}}^1\times {\mathrm{313}}^1$

素因数の和:574

約数の個数: 16

約数和(自身を含む): 22381920

約数和(自身を除く): 4191925

約数列:

[1, 5, 59, 197, 295, 313, 985, 1565, 11623, 18467, 58115, 61661, 92335, 308305, 3637999, 18189995]

約数ペア:

[(1, 18189995), (5, 3637999), (59, 308305), (197, 92335), (295, 61661), (313, 58115), (985, 18467), (1565, 11623)]