19242100

素因数分解:

$2^2\times 5^2\times {\mathrm{193}}^1\times {\mathrm{997}}^1$

素因数の和:1204

約数の個数: 36

約数和(自身を含む): 42013804

約数和(自身を除く): 22771704

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 193, 386, 772, 965, 997, 1930, 1994, 3860, 3988, 4825, 4985, 9650, 9970, 19300, 19940, 24925, 49850, 99700, 192421, 384842, 769684, 962105, 1924210, 3848420, 4810525, 9621050, 19242100]

約数ペア:

[(1, 19242100), (2, 9621050), (4, 4810525), (5, 3848420), (10, 1924210), (20, 962105), (25, 769684), (50, 384842), (100, 192421), (193, 99700), (386, 49850), (772, 24925), (965, 19940), (997, 19300), (1930, 9970), (1994, 9650), (3860, 4985), (3988, 4825)]