18012085

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1277}}^1$

素因数の和:1333

約数の個数: 32

約数和(自身を含む): 27482112

約数和(自身を除く): 9470027

約数列:

[1, 5, 7, 13, 31, 35, 65, 91, 155, 217, 403, 455, 1085, 1277, 2015, 2821, 6385, 8939, 14105, 16601, 39587, 44695, 83005, 116207, 197935, 277109, 514631, 581035, 1385545, 2573155, 3602417, 18012085]

約数ペア:

[(1, 18012085), (5, 3602417), (7, 2573155), (13, 1385545), (31, 581035), (35, 514631), (65, 277109), (91, 197935), (155, 116207), (217, 83005), (403, 44695), (455, 39587), (1085, 16601), (1277, 14105), (2015, 8939), (2821, 6385)]