18497997

素因数分解:

$3^3\times 7^1\times {\mathrm{97}}^1\times {\mathrm{1009}}^1$

素因数の和:1122

約数の個数: 32

約数和(自身を含む): 31673600

約数和(自身を除く): 13175603

約数列:

[1, 3, 7, 9, 21, 27, 63, 97, 189, 291, 679, 873, 1009, 2037, 2619, 3027, 6111, 7063, 9081, 18333, 21189, 27243, 63567, 97873, 190701, 293619, 685111, 880857, 2055333, 2642571, 6165999, 18497997]

約数ペア:

[(1, 18497997), (3, 6165999), (7, 2642571), (9, 2055333), (21, 880857), (27, 685111), (63, 293619), (97, 190701), (189, 97873), (291, 63567), (679, 27243), (873, 21189), (1009, 18333), (2037, 9081), (2619, 7063), (3027, 6111)]