18165049

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{2081}}^1$

素因数の和:2160

約数の個数: 16

約数和(自身を含む): 21985920

約数和(自身を除く): 3820871

約数列:

[1, 7, 29, 43, 203, 301, 1247, 2081, 8729, 14567, 60349, 89483, 422443, 626381, 2595007, 18165049]

約数ペア:

[(1, 18165049), (7, 2595007), (29, 626381), (43, 422443), (203, 89483), (301, 60349), (1247, 14567), (2081, 8729)]