19850992

素因数分解:

$2^4\times 7^1\times {\mathrm{421}}^2$

素因数の和:857

約数の個数: 30

約数和(自身を含む): 44060424

約数和(自身を除く): 24209432

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 421, 842, 1684, 2947, 3368, 5894, 6736, 11788, 23576, 47152, 177241, 354482, 708964, 1240687, 1417928, 2481374, 2835856, 4962748, 9925496, 19850992]

約数ペア:

[(1, 19850992), (2, 9925496), (4, 4962748), (7, 2835856), (8, 2481374), (14, 1417928), (16, 1240687), (28, 708964), (56, 354482), (112, 177241), (421, 47152), (842, 23576), (1684, 11788), (2947, 6736), (3368, 5894)]