2019805940

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{478627}}^1$

素因数の和:478847

約数の個数: 24

約数和(自身を含む): 4261703712

約数和(自身を除く): 2241897772

約数列:

[1, 2, 4, 5, 10, 20, 211, 422, 844, 1055, 2110, 4220, 478627, 957254, 1914508, 2393135, 4786270, 9572540, 100990297, 201980594, 403961188, 504951485, 1009902970, 2019805940]

約数ペア:

[(1, 2019805940), (2, 1009902970), (4, 504951485), (5, 403961188), (10, 201980594), (20, 100990297), (211, 9572540), (422, 4786270), (844, 2393135), (1055, 1914508), (2110, 957254), (4220, 478627)]