18772894

素因数分解:

$2^1\times 7^1\times {\mathrm{491}}^1\times {\mathrm{2731}}^1$

素因数の和:3231

約数の個数: 16

約数和(自身を含む): 32259456

約数和(自身を除く): 13486562

約数列:

[1, 2, 7, 14, 491, 982, 2731, 3437, 5462, 6874, 19117, 38234, 1340921, 2681842, 9386447, 18772894]

約数ペア:

[(1, 18772894), (2, 9386447), (7, 2681842), (14, 1340921), (491, 38234), (982, 19117), (2731, 6874), (3437, 5462)]