18875727

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{53777}}^1$

素因数の和:53799

約数の個数: 16

約数和(自身を含む): 30115680

約数和(自身を除く): 11239953

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 53777, 161331, 483993, 699101, 1451979, 2097303, 6291909, 18875727]

約数ペア:

[(1, 18875727), (3, 6291909), (9, 2097303), (13, 1451979), (27, 699101), (39, 483993), (117, 161331), (351, 53777)]