18156980086

素因数分解:

$2^1\times 7^3\times {\mathrm{26467901}}^1$

素因数の和:26467924

約数の個数: 16

約数和(自身を含む): 31761482400

約数和(自身を除く): 13604502314

約数列:

[1, 2, 7, 14, 49, 98, 343, 686, 26467901, 52935802, 185275307, 370550614, 1296927149, 2593854298, 9078490043, 18156980086]

約数ペア:

[(1, 18156980086), (2, 9078490043), (7, 2593854298), (14, 1296927149), (49, 370550614), (98, 185275307), (343, 52935802), (686, 26467901)]