19668236

素因数分解:

$2^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{5531}}^1$

素因数の和:5669

約数の個数: 24

約数和(自身を含む): 39653376

約数和(自身を除く): 19985140

約数列:

[1, 2, 4, 7, 14, 28, 127, 254, 508, 889, 1778, 3556, 5531, 11062, 22124, 38717, 77434, 154868, 702437, 1404874, 2809748, 4917059, 9834118, 19668236]

約数ペア:

[(1, 19668236), (2, 9834118), (4, 4917059), (7, 2809748), (14, 1404874), (28, 702437), (127, 154868), (254, 77434), (508, 38717), (889, 22124), (1778, 11062), (3556, 5531)]