19118835

素因数分解:

$3^4\times 5^1\times {\mathrm{47207}}^1$

素因数の和:47224

約数の個数: 20

約数和(自身を含む): 34273008

約数和(自身を除く): 15154173

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 47207, 141621, 236035, 424863, 708105, 1274589, 2124315, 3823767, 6372945, 19118835]

約数ペア:

[(1, 19118835), (3, 6372945), (5, 3823767), (9, 2124315), (15, 1274589), (27, 708105), (45, 424863), (81, 236035), (135, 141621), (405, 47207)]