19739132

素因数分解:

$2^2\times 7^1\times {\mathrm{89}}^3$

素因数の和:278

約数の個数: 24

約数和(自身を含む): 39926880

約数和(自身を除く): 20187748

約数列:

[1, 2, 4, 7, 14, 28, 89, 178, 356, 623, 1246, 2492, 7921, 15842, 31684, 55447, 110894, 221788, 704969, 1409938, 2819876, 4934783, 9869566, 19739132]

約数ペア:

[(1, 19739132), (2, 9869566), (4, 4934783), (7, 2819876), (14, 1409938), (28, 704969), (89, 221788), (178, 110894), (356, 55447), (623, 31684), (1246, 15842), (2492, 7921)]