18144040

素因数分解:

$2^3\times 5^1\times {\mathrm{453601}}^1$

素因数の和:453612

約数の個数: 16

約数和(自身を含む): 40824180

約数和(自身を除く): 22680140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 453601, 907202, 1814404, 2268005, 3628808, 4536010, 9072020, 18144040]

約数ペア:

[(1, 18144040), (2, 9072020), (4, 4536010), (5, 3628808), (8, 2268005), (10, 1814404), (20, 907202), (40, 453601)]