18588860

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{8527}}^1$

素因数の和:8645

約数の個数: 24

約数和(自身を含む): 39399360

約数和(自身を除く): 20810500

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 8527, 17054, 34108, 42635, 85270, 170540, 929443, 1858886, 3717772, 4647215, 9294430, 18588860]

約数ペア:

[(1, 18588860), (2, 9294430), (4, 4647215), (5, 3717772), (10, 1858886), (20, 929443), (109, 170540), (218, 85270), (436, 42635), (545, 34108), (1090, 17054), (2180, 8527)]