18039231

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{6659}}^1$

素因数の和:6715

約数の個数: 24

約数和(自身を含む): 30476160

約数和(自身を除く): 12436929

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 387, 903, 2709, 6659, 19977, 46613, 59931, 139839, 286337, 419517, 859011, 2004359, 2577033, 6013077, 18039231]

約数ペア:

[(1, 18039231), (3, 6013077), (7, 2577033), (9, 2004359), (21, 859011), (43, 419517), (63, 286337), (129, 139839), (301, 59931), (387, 46613), (903, 19977), (2709, 6659)]