19662615

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{20807}}^1$

素因数の和:20828

約数の個数: 32

約数和(自身を含む): 39951360

約数和(自身を除く): 20288745

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 20807, 62421, 104035, 145649, 187263, 312105, 436947, 561789, 728245, 936315, 1310841, 2184735, 2808945, 3932523, 6554205, 19662615]

約数ペア:

[(1, 19662615), (3, 6554205), (5, 3932523), (7, 2808945), (9, 2184735), (15, 1310841), (21, 936315), (27, 728245), (35, 561789), (45, 436947), (63, 312105), (105, 187263), (135, 145649), (189, 104035), (315, 62421), (945, 20807)]