18336040

素因数分解:

$2^3\times 5^1\times {\mathrm{458401}}^1$

素因数の和:458412

約数の個数: 16

約数和(自身を含む): 41256180

約数和(自身を除く): 22920140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 458401, 916802, 1833604, 2292005, 3667208, 4584010, 9168020, 18336040]

約数ペア:

[(1, 18336040), (2, 9168020), (4, 4584010), (5, 3667208), (8, 2292005), (10, 1833604), (20, 916802), (40, 458401)]