19913673

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{7621}}^1$

素因数の和:7704

約数の個数: 16

約数和(自身を含む): 29024576

約数和(自身を除く): 9110903

約数列:

[1, 3, 13, 39, 67, 201, 871, 2613, 7621, 22863, 99073, 297219, 510607, 1531821, 6637891, 19913673]

約数ペア:

[(1, 19913673), (3, 6637891), (13, 1531821), (39, 510607), (67, 297219), (201, 99073), (871, 22863), (2613, 7621)]