11980868

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{8297}}^1$

素因数の和:8339

約数の個数: 18

約数和(自身を含む): 22130766

約数和(自身を除く): 10149898

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 8297, 16594, 33188, 157643, 315286, 630572, 2995217, 5990434, 11980868]

約数ペア:

[(1, 11980868), (2, 5990434), (4, 2995217), (19, 630572), (38, 315286), (76, 157643), (361, 33188), (722, 16594), (1444, 8297)]