12871892

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{173}}^1$

素因数の和:296

約数の個数: 48

約数和(自身を含む): 26308800

約数和(自身を除く): 13436908

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 89, 173, 178, 209, 346, 356, 418, 692, 836, 979, 1691, 1903, 1958, 3287, 3382, 3806, 3916, 6574, 6764, 7612, 13148, 15397, 18601, 30794, 36157, 37202, 61588, 72314, 74404, 144628, 169367, 292543, 338734, 585086, 677468, 1170172, 3217973, 6435946, 12871892]

約数ペア:

[(1, 12871892), (2, 6435946), (4, 3217973), (11, 1170172), (19, 677468), (22, 585086), (38, 338734), (44, 292543), (76, 169367), (89, 144628), (173, 74404), (178, 72314), (209, 61588), (346, 37202), (356, 36157), (418, 30794), (692, 18601), (836, 15397), (979, 13148), (1691, 7612), (1903, 6764), (1958, 6574), (3287, 3916), (3382, 3806)]