18116995

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{1669}}^1$

素因数の和:1854

約数の個数: 16

約数和(自身を含む): 23567040

約数和(自身を除く): 5450045

約数列:

[1, 5, 13, 65, 167, 835, 1669, 2171, 8345, 10855, 21697, 108485, 278723, 1393615, 3623399, 18116995]

約数ペア:

[(1, 18116995), (5, 3623399), (13, 1393615), (65, 278723), (167, 108485), (835, 21697), (1669, 10855), (2171, 8345)]