18794871

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{673}}^1$

素因数の和:815

約数の個数: 24

約数和(自身を含む): 28388880

約数和(自身を除く): 9594009

約数列:

[1, 3, 9, 29, 87, 107, 261, 321, 673, 963, 2019, 3103, 6057, 9309, 19517, 27927, 58551, 72011, 175653, 216033, 648099, 2088319, 6264957, 18794871]

約数ペア:

[(1, 18794871), (3, 6264957), (9, 2088319), (29, 648099), (87, 216033), (107, 175653), (261, 72011), (321, 58551), (673, 27927), (963, 19517), (2019, 9309), (3103, 6057)]