19708073

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{709}}^1$

素因数の和:765

約数の個数: 24

約数和(自身を含む): 25968960

約数和(自身を除く): 6260887

約数列:

[1, 7, 11, 19, 77, 133, 209, 361, 709, 1463, 2527, 3971, 4963, 7799, 13471, 27797, 54593, 94297, 148181, 255949, 1037267, 1791643, 2815439, 19708073]

約数ペア:

[(1, 19708073), (7, 2815439), (11, 1791643), (19, 1037267), (77, 255949), (133, 148181), (209, 94297), (361, 54593), (709, 27797), (1463, 13471), (2527, 7799), (3971, 4963)]