19504143

素因数分解:

$3^2\times {\mathrm{37}}^2\times {\mathrm{1583}}^1$

素因数の和:1663

約数の個数: 18

約数和(自身を含む): 28972944

約数和(自身を除く): 9468801

約数列:

[1, 3, 9, 37, 111, 333, 1369, 1583, 4107, 4749, 12321, 14247, 58571, 175713, 527139, 2167127, 6501381, 19504143]

約数ペア:

[(1, 19504143), (3, 6501381), (9, 2167127), (37, 527139), (111, 175713), (333, 58571), (1369, 14247), (1583, 12321), (4107, 4749)]