18847863

素因数分解:

$3^3\times {\mathrm{787}}^1\times {\mathrm{887}}^1$

素因数の和:1683

約数の個数: 16

約数和(自身を含む): 27989760

約数和(自身を除く): 9141897

約数列:

[1, 3, 9, 27, 787, 887, 2361, 2661, 7083, 7983, 21249, 23949, 698069, 2094207, 6282621, 18847863]

約数ペア:

[(1, 18847863), (3, 6282621), (9, 2094207), (27, 698069), (787, 23949), (887, 21249), (2361, 7983), (2661, 7083)]