19868188

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{107}}^1\times {\mathrm{761}}^1$

素因数の和:933

約数の個数: 24

約数和(自身を含む): 35716464

約数和(自身を除く): 15848276

約数列:

[1, 2, 4, 61, 107, 122, 214, 244, 428, 761, 1522, 3044, 6527, 13054, 26108, 46421, 81427, 92842, 162854, 185684, 325708, 4967047, 9934094, 19868188]

約数ペア:

[(1, 19868188), (2, 9934094), (4, 4967047), (61, 325708), (107, 185684), (122, 162854), (214, 92842), (244, 81427), (428, 46421), (761, 26108), (1522, 13054), (3044, 6527)]