19625247

素因数分解:

$3^4\times {\mathrm{73}}^1\times {\mathrm{3319}}^1$

素因数の和:3404

約数の個数: 20

約数和(自身を含む): 29727280

約数和(自身を除く): 10102033

約数列:

[1, 3, 9, 27, 73, 81, 219, 657, 1971, 3319, 5913, 9957, 29871, 89613, 242287, 268839, 726861, 2180583, 6541749, 19625247]

約数ペア:

[(1, 19625247), (3, 6541749), (9, 2180583), (27, 726861), (73, 268839), (81, 242287), (219, 89613), (657, 29871), (1971, 9957), (3319, 5913)]