19677018620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{140550133}}^1$

素因数の和:140550149

約数の個数: 24

約数和(自身を含む): 47224845024

約数和(自身を除く): 27547826404

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 140550133, 281100266, 562200532, 702750665, 983850931, 1405501330, 1967701862, 2811002660, 3935403724, 4919254655, 9838509310, 19677018620]

約数ペア:

[(1, 19677018620), (2, 9838509310), (4, 4919254655), (5, 3935403724), (7, 2811002660), (10, 1967701862), (14, 1405501330), (20, 983850931), (28, 702750665), (35, 562200532), (70, 281100266), (140, 140550133)]