19217580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{320293}}^1$

素因数の和:320305

約数の個数: 24

約数和(自身を含む): 53809392

約数和(自身を除く): 34591812

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 320293, 640586, 960879, 1281172, 1601465, 1921758, 3202930, 3843516, 4804395, 6405860, 9608790, 19217580]

約数ペア:

[(1, 19217580), (2, 9608790), (3, 6405860), (4, 4804395), (5, 3843516), (6, 3202930), (10, 1921758), (12, 1601465), (15, 1281172), (20, 960879), (30, 640586), (60, 320293)]