19968639

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{4799}}^1$

素因数の和:4894

約数の個数: 16

約数和(自身を含む): 28416000

約数和(自身を除く): 8447361

約数列:

[1, 3, 19, 57, 73, 219, 1387, 4161, 4799, 14397, 91181, 273543, 350327, 1050981, 6656213, 19968639]

約数ペア:

[(1, 19968639), (3, 6656213), (19, 1050981), (57, 350327), (73, 273543), (219, 91181), (1387, 14397), (4161, 4799)]