18869874910

素因数分解:

$2^1\times 5^1\times {\mathrm{1223}}^1\times {\mathrm{1542917}}^1$

素因数の和:1544147

約数の個数: 16

約数和(自身を含む): 33993569376

約数和(自身を除く): 15123694466

約数列:

[1, 2, 5, 10, 1223, 2446, 6115, 12230, 1542917, 3085834, 7714585, 15429170, 1886987491, 3773974982, 9434937455, 18869874910]

約数ペア:

[(1, 18869874910), (2, 9434937455), (5, 3773974982), (10, 1886987491), (1223, 15429170), (2446, 7714585), (6115, 3085834), (12230, 1542917)]