19382085

素因数分解:

$3^4\times 5^1\times {\mathrm{47857}}^1$

素因数の和:47874

約数の個数: 20

約数和(自身を含む): 34744908

約数和(自身を除く): 15362823

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 47857, 143571, 239285, 430713, 717855, 1292139, 2153565, 3876417, 6460695, 19382085]

約数ペア:

[(1, 19382085), (3, 6460695), (5, 3876417), (9, 2153565), (15, 1292139), (27, 717855), (45, 430713), (81, 239285), (135, 143571), (405, 47857)]