18581907

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{3793}}^1$

素因数の和:3890

約数の個数: 16

約数和(自身を含む): 26224128

約数和(自身を除く): 7642221

約数列:

[1, 3, 23, 69, 71, 213, 1633, 3793, 4899, 11379, 87239, 261717, 269303, 807909, 6193969, 18581907]

約数ペア:

[(1, 18581907), (3, 6193969), (23, 807909), (69, 269303), (71, 261717), (213, 87239), (1633, 11379), (3793, 4899)]