19540660

素因数分解:

$2^2\times 5^1\times {\mathrm{383}}^1\times {\mathrm{2551}}^1$

素因数の和:2943

約数の個数: 24

約数和(自身を含む): 41158656

約数和(自身を除く): 21617996

約数列:

[1, 2, 4, 5, 10, 20, 383, 766, 1532, 1915, 2551, 3830, 5102, 7660, 10204, 12755, 25510, 51020, 977033, 1954066, 3908132, 4885165, 9770330, 19540660]

約数ペア:

[(1, 19540660), (2, 9770330), (4, 4885165), (5, 3908132), (10, 1954066), (20, 977033), (383, 51020), (766, 25510), (1532, 12755), (1915, 10204), (2551, 7660), (3830, 5102)]