18308841

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{1999}}^1$

素因数の和:2116

約数の個数: 16

約数和(自身を含む): 25344000

約数和(自身を除く): 7035159

約数列:

[1, 3, 43, 71, 129, 213, 1999, 3053, 5997, 9159, 85957, 141929, 257871, 425787, 6102947, 18308841]

約数ペア:

[(1, 18308841), (3, 6102947), (43, 425787), (71, 257871), (129, 141929), (213, 85957), (1999, 9159), (3053, 5997)]