20189059919

素因数分解:

$7^3\times {\mathrm{19}}^1\times {\mathrm{3097907}}^1$

素因数の和:3097947

約数の個数: 16

約数和(自身を含む): 24783264000

約数和(自身を除く): 4594204081

約数列:

[1, 7, 19, 49, 133, 343, 931, 6517, 3097907, 21685349, 58860233, 151797443, 412021631, 1062582101, 2884151417, 20189059919]

約数ペア:

[(1, 20189059919), (7, 2884151417), (19, 1062582101), (49, 412021631), (133, 151797443), (343, 58860233), (931, 21685349), (6517, 3097907)]