18156978

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{144103}}^1$

素因数の和:144118

約数の個数: 24

約数和(自身を含む): 44960448

約数和(自身を除く): 26803470

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 144103, 288206, 432309, 864618, 1008721, 1296927, 2017442, 2593854, 3026163, 6052326, 9078489, 18156978]

約数ペア:

[(1, 18156978), (2, 9078489), (3, 6052326), (6, 3026163), (7, 2593854), (9, 2017442), (14, 1296927), (18, 1008721), (21, 864618), (42, 432309), (63, 288206), (126, 144103)]