20189718

素因数分解:

$2^1\times 3^2\times {\mathrm{1121651}}^1$

素因数の和:1121659

約数の個数: 12

約数和(自身を含む): 43744428

約数和(自身を除く): 23554710

約数列:

[1, 2, 3, 6, 9, 18, 1121651, 2243302, 3364953, 6729906, 10094859, 20189718]

約数ペア:

[(1, 20189718), (2, 10094859), (3, 6729906), (6, 3364953), (9, 2243302), (18, 1121651)]