18720086

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{121559}}^1$

素因数の和:121579

約数の個数: 16

約数和(自身を含む): 35009280

約数和(自身を除く): 16289194

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 121559, 243118, 850913, 1337149, 1701826, 2674298, 9360043, 18720086]

約数ペア:

[(1, 18720086), (2, 9360043), (7, 2674298), (11, 1701826), (14, 1337149), (22, 850913), (77, 243118), (154, 121559)]