18092120

素因数分解:

$2^3\times 5^1\times {\mathrm{443}}^1\times {\mathrm{1021}}^1$

素因数の和:1475

約数の個数: 32

約数和(自身を含む): 40839120

約数和(自身を除く): 22747000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 443, 886, 1021, 1772, 2042, 2215, 3544, 4084, 4430, 5105, 8168, 8860, 10210, 17720, 20420, 40840, 452303, 904606, 1809212, 2261515, 3618424, 4523030, 9046060, 18092120]

約数ペア:

[(1, 18092120), (2, 9046060), (4, 4523030), (5, 3618424), (8, 2261515), (10, 1809212), (20, 904606), (40, 452303), (443, 40840), (886, 20420), (1021, 17720), (1772, 10210), (2042, 8860), (2215, 8168), (3544, 5105), (4084, 4430)]