19431919

素因数分解:

${\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{569}}^1$

素因数の和:690

約数の個数: 16

約数和(自身を含む): 21833280

約数和(自身を除く): 2401361

約数列:

[1, 13, 37, 71, 481, 569, 923, 2627, 7397, 21053, 34151, 40399, 273689, 525187, 1494763, 19431919]

約数ペア:

[(1, 19431919), (13, 1494763), (37, 525187), (71, 273689), (481, 40399), (569, 34151), (923, 21053), (2627, 7397)]