19868354

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{22027}}^1$

素因数の和:22081

約数の個数: 16

約数和(自身を含む): 33306336

約数和(自身を除く): 13437982

約数列:

[1, 2, 11, 22, 41, 82, 451, 902, 22027, 44054, 242297, 484594, 903107, 1806214, 9934177, 19868354]

約数ペア:

[(1, 19868354), (2, 9934177), (11, 1806214), (22, 903107), (41, 484594), (82, 242297), (451, 44054), (902, 22027)]