19688812

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{34421}}^1$

素因数の和:34449

約数の個数: 24

約数和(自身を含む): 40480272

約数和(自身を除く): 20791460

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 34421, 68842, 137684, 378631, 447473, 757262, 894946, 1514524, 1789892, 4922203, 9844406, 19688812]

約数ペア:

[(1, 19688812), (2, 9844406), (4, 4922203), (11, 1789892), (13, 1514524), (22, 894946), (26, 757262), (44, 447473), (52, 378631), (143, 137684), (286, 68842), (572, 34421)]