19153684

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{643}}^1\times {\mathrm{677}}^1$

素因数の和:1335

約数の個数: 24

約数和(自身を含む): 36677088

約数和(自身を除く): 17523404

約数列:

[1, 2, 4, 11, 22, 44, 643, 677, 1286, 1354, 2572, 2708, 7073, 7447, 14146, 14894, 28292, 29788, 435311, 870622, 1741244, 4788421, 9576842, 19153684]

約数ペア:

[(1, 19153684), (2, 9576842), (4, 4788421), (11, 1741244), (22, 870622), (44, 435311), (643, 29788), (677, 28292), (1286, 14894), (1354, 14146), (2572, 7447), (2708, 7073)]