18196521

素因数分解:

$3^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{8933}}^1$

素因数の和:9040

約数の個数: 16

約数和(自身を含む): 28017024

約数和(自身を除く): 9820503

約数列:

[1, 3, 7, 21, 97, 291, 679, 2037, 8933, 26799, 62531, 187593, 866501, 2599503, 6065507, 18196521]

約数ペア:

[(1, 18196521), (3, 6065507), (7, 2599503), (21, 866501), (97, 187593), (291, 62531), (679, 26799), (2037, 8933)]