190989860

素因数分解:

$2^2\times 5^1\times {\mathrm{9549493}}^1$

素因数の和:9549502

約数の個数: 12

約数和(自身を含む): 401078748

約数和(自身を除く): 210088888

約数列:

[1, 2, 4, 5, 10, 20, 9549493, 19098986, 38197972, 47747465, 95494930, 190989860]

約数ペア:

[(1, 190989860), (2, 95494930), (4, 47747465), (5, 38197972), (10, 19098986), (20, 9549493)]