19537940

素因数分解:

$2^2\times 5^1\times {\mathrm{919}}^1\times {\mathrm{1063}}^1$

素因数の和:1991

約数の個数: 24

約数和(自身を含む): 41112960

約数和(自身を除く): 21575020

約数列:

[1, 2, 4, 5, 10, 20, 919, 1063, 1838, 2126, 3676, 4252, 4595, 5315, 9190, 10630, 18380, 21260, 976897, 1953794, 3907588, 4884485, 9768970, 19537940]

約数ペア:

[(1, 19537940), (2, 9768970), (4, 4884485), (5, 3907588), (10, 1953794), (20, 976897), (919, 21260), (1063, 18380), (1838, 10630), (2126, 9190), (3676, 5315), (4252, 4595)]