19743183

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{3433}}^1$

素因数の和:3516

約数の個数: 20

約数和(自身を含む): 29917008

約数和(自身を除く): 10173825

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 3433, 5751, 10299, 30897, 92691, 243743, 278073, 731229, 2193687, 6581061, 19743183]

約数ペア:

[(1, 19743183), (3, 6581061), (9, 2193687), (27, 731229), (71, 278073), (81, 243743), (213, 92691), (639, 30897), (1917, 10299), (3433, 5751)]