19986099

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{22133}}^1$

素因数の和:22186

約数の個数: 16

約数和(自身を含む): 31164672

約数和(自身を除く): 11178573

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 22133, 66399, 154931, 464793, 951719, 2855157, 6662033, 19986099]

約数ペア:

[(1, 19986099), (3, 6662033), (7, 2855157), (21, 951719), (43, 464793), (129, 154931), (301, 66399), (903, 22133)]