19490457

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{22637}}^1$

素因数の和:22688

約数の個数: 16

約数和(自身を含む): 30425472

約数和(自身を除く): 10935015

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 22637, 67911, 158459, 475377, 928117, 2784351, 6496819, 19490457]

約数ペア:

[(1, 19490457), (3, 6496819), (7, 2784351), (21, 928117), (41, 475377), (123, 158459), (287, 67911), (861, 22637)]