19189025

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{193}}^1$

素因数の和:341

約数の個数: 24

約数和(自身を含む): 24753624

約数和(自身を除く): 5564599

約数列:

[1, 5, 25, 41, 97, 193, 205, 485, 965, 1025, 2425, 3977, 4825, 7913, 18721, 19885, 39565, 93605, 99425, 197825, 468025, 767561, 3837805, 19189025]

約数ペア:

[(1, 19189025), (5, 3837805), (25, 767561), (41, 468025), (97, 197825), (193, 99425), (205, 93605), (485, 39565), (965, 19885), (1025, 18721), (2425, 7913), (3977, 4825)]