19715751

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{66383}}^1$

素因数の和:66403

約数の個数: 16

約数和(自身を含む): 31864320

約数和(自身を除く): 12148569

約数列:

[1, 3, 9, 11, 27, 33, 99, 297, 66383, 199149, 597447, 730213, 1792341, 2190639, 6571917, 19715751]

約数ペア:

[(1, 19715751), (3, 6571917), (9, 2190639), (11, 1792341), (27, 730213), (33, 597447), (99, 199149), (297, 66383)]