18660819

素因数分解:

$3^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1\times {\mathrm{461}}^1$

素因数の和:698

約数の個数: 16

約数和(自身を含む): 25369344

約数和(自身を除く): 6708525

約数列:

[1, 3, 103, 131, 309, 393, 461, 1383, 13493, 40479, 47483, 60391, 142449, 181173, 6220273, 18660819]

約数ペア:

[(1, 18660819), (3, 6220273), (103, 181173), (131, 142449), (309, 60391), (393, 47483), (461, 40479), (1383, 13493)]