18024040

素因数分解:

$2^3\times 5^1\times {\mathrm{450601}}^1$

素因数の和:450612

約数の個数: 16

約数和(自身を含む): 40554180

約数和(自身を除く): 22530140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 450601, 901202, 1802404, 2253005, 3604808, 4506010, 9012020, 18024040]

約数ペア:

[(1, 18024040), (2, 9012020), (4, 4506010), (5, 3604808), (8, 2253005), (10, 1802404), (20, 901202), (40, 450601)]