18680572

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{907}}^1$

素因数の和:1201

約数の個数: 24

約数和(自身を含む): 34576640

約数和(自身を除く): 15896068

約数列:

[1, 2, 4, 19, 38, 76, 271, 542, 907, 1084, 1814, 3628, 5149, 10298, 17233, 20596, 34466, 68932, 245797, 491594, 983188, 4670143, 9340286, 18680572]

約数ペア:

[(1, 18680572), (2, 9340286), (4, 4670143), (19, 983188), (38, 491594), (76, 245797), (271, 68932), (542, 34466), (907, 20596), (1084, 17233), (1814, 10298), (3628, 5149)]