18672020

素因数分解:

$2^2\times 5^1\times {\mathrm{933601}}^1$

素因数の和:933610

約数の個数: 12

約数和(自身を含む): 39211284

約数和(自身を除く): 20539264

約数列:

[1, 2, 4, 5, 10, 20, 933601, 1867202, 3734404, 4668005, 9336010, 18672020]

約数ペア:

[(1, 18672020), (2, 9336010), (4, 4668005), (5, 3734404), (10, 1867202), (20, 933601)]