19202781

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{3877}}^1$

素因数の和:4020

約数の個数: 16

約数和(自身を含む): 27797504

約数和(自身を除く): 8594723

約数列:

[1, 3, 13, 39, 127, 381, 1651, 3877, 4953, 11631, 50401, 151203, 492379, 1477137, 6400927, 19202781]

約数ペア:

[(1, 19202781), (3, 6400927), (13, 1477137), (39, 492379), (127, 151203), (381, 50401), (1651, 11631), (3877, 4953)]