18108040

素因数分解:

$2^3\times 5^1\times {\mathrm{452701}}^1$

素因数の和:452712

約数の個数: 16

約数和(自身を含む): 40743180

約数和(自身を除く): 22635140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 452701, 905402, 1810804, 2263505, 3621608, 4527010, 9054020, 18108040]

約数ペア:

[(1, 18108040), (2, 9054020), (4, 4527010), (5, 3621608), (8, 2263505), (10, 1810804), (20, 905402), (40, 452701)]