40860868

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{28297}}^1$

素因数の和:28339

約数の個数: 18

約数和(自身を含む): 75470766

約数和(自身を除く): 34609898

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 28297, 56594, 113188, 537643, 1075286, 2150572, 10215217, 20430434, 40860868]

約数ペア:

[(1, 40860868), (2, 20430434), (4, 10215217), (19, 2150572), (38, 1075286), (76, 537643), (361, 113188), (722, 56594), (1444, 28297)]