19903743

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{59771}}^1$

素因数の和:59814

約数の個数: 12

約数和(自身を含む): 29527368

約数和(自身を除く): 9623625

約数列:

[1, 3, 9, 37, 111, 333, 59771, 179313, 537939, 2211527, 6634581, 19903743]

約数ペア:

[(1, 19903743), (3, 6634581), (9, 2211527), (37, 537939), (111, 179313), (333, 59771)]