19242748

素因数分解:

$2^2\times 7^1\times {\mathrm{829}}^2$

素因数の和:1669

約数の個数: 18

約数和(自身を含む): 38531976

約数和(自身を除く): 19289228

約数列:

[1, 2, 4, 7, 14, 28, 829, 1658, 3316, 5803, 11606, 23212, 687241, 1374482, 2748964, 4810687, 9621374, 19242748]

約数ペア:

[(1, 19242748), (2, 9621374), (4, 4810687), (7, 2748964), (14, 1374482), (28, 687241), (829, 23212), (1658, 11606), (3316, 5803)]