18530547

素因数分解:

$3^1\times 7^1\times {\mathrm{691}}^1\times {\mathrm{1277}}^1$

素因数の和:1978

約数の個数: 16

約数和(自身を含む): 28300032

約数和(自身を除く): 9769485

約数列:

[1, 3, 7, 21, 691, 1277, 2073, 3831, 4837, 8939, 14511, 26817, 882407, 2647221, 6176849, 18530547]

約数ペア:

[(1, 18530547), (3, 6176849), (7, 2647221), (21, 882407), (691, 26817), (1277, 14511), (2073, 8939), (3831, 4837)]