18469040

素因数分解:

$2^4\times 5^1\times {\mathrm{230863}}^1$

素因数の和:230876

約数の個数: 20

約数和(自身を含む): 42940704

約数和(自身を除く): 24471664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 230863, 461726, 923452, 1154315, 1846904, 2308630, 3693808, 4617260, 9234520, 18469040]

約数ペア:

[(1, 18469040), (2, 9234520), (4, 4617260), (5, 3693808), (8, 2308630), (10, 1846904), (16, 1154315), (20, 923452), (40, 461726), (80, 230863)]