19994689

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{3779}}^1$

素因数の和:3840

約数の個数: 16

約数和(自身を含む): 24131520

約数和(自身を除く): 4136831

約数列:

[1, 11, 13, 37, 143, 407, 481, 3779, 5291, 41569, 49127, 139823, 540397, 1538053, 1817699, 19994689]

約数ペア:

[(1, 19994689), (11, 1817699), (13, 1538053), (37, 540397), (143, 139823), (407, 49127), (481, 41569), (3779, 5291)]