18671661

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2141}}^1$

素因数の和:2186

約数の個数: 32

約数和(自身を含む): 30844800

約数和(自身を除く): 12173139

約数列:

[1, 3, 9, 17, 19, 27, 51, 57, 153, 171, 323, 459, 513, 969, 2141, 2907, 6423, 8721, 19269, 36397, 40679, 57807, 109191, 122037, 327573, 366111, 691543, 982719, 1098333, 2074629, 6223887, 18671661]

約数ペア:

[(1, 18671661), (3, 6223887), (9, 2074629), (17, 1098333), (19, 982719), (27, 691543), (51, 366111), (57, 327573), (153, 122037), (171, 109191), (323, 57807), (459, 40679), (513, 36397), (969, 19269), (2141, 8721), (2907, 6423)]