19742591

素因数分解:

${\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1\times {\mathrm{311}}^1$

素因数の和:550

約数の個数: 16

約数和(自身を含む): 22464000

約数和(自身を除く): 2721409

約数列:

[1, 11, 29, 199, 311, 319, 2189, 3421, 5771, 9019, 61889, 63481, 99209, 680779, 1794781, 19742591]

約数ペア:

[(1, 19742591), (11, 1794781), (29, 680779), (199, 99209), (311, 63481), (319, 61889), (2189, 9019), (3421, 5771)]