18562221

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1487}}^1$

素因数の和:1585

約数の個数: 24

約数和(自身を含む): 28629120

約数和(自身を除く): 10066899

約数列:

[1, 3, 9, 19, 57, 73, 171, 219, 657, 1387, 1487, 4161, 4461, 12483, 13383, 28253, 84759, 108551, 254277, 325653, 976959, 2062469, 6187407, 18562221]

約数ペア:

[(1, 18562221), (3, 6187407), (9, 2062469), (19, 976959), (57, 325653), (73, 254277), (171, 108551), (219, 84759), (657, 28253), (1387, 13383), (1487, 12483), (4161, 4461)]