19030904255

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1117}}^1\times {\mathrm{4363}}^1$

素因数の和:5567

約数の個数: 32

約数和(自身を含む): 25292487168

約数和(自身を除く): 6261582913

約数列:

[1, 5, 11, 55, 71, 355, 781, 1117, 3905, 4363, 5585, 12287, 21815, 47993, 61435, 79307, 239965, 309773, 396535, 872377, 1548865, 3407503, 4361885, 4873471, 17037515, 24367355, 53608181, 268040905, 346016441, 1730082205, 3806180851, 19030904255]

約数ペア:

[(1, 19030904255), (5, 3806180851), (11, 1730082205), (55, 346016441), (71, 268040905), (355, 53608181), (781, 24367355), (1117, 17037515), (3905, 4873471), (4363, 4361885), (5585, 3407503), (12287, 1548865), (21815, 872377), (47993, 396535), (61435, 309773), (79307, 239965)]