19728466

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{379}}^1\times {\mathrm{1531}}^1$

素因数の和:1929

約数の個数: 16

約数和(自身を含む): 31436640

約数和(自身を除く): 11708174

約数列:

[1, 2, 17, 34, 379, 758, 1531, 3062, 6443, 12886, 26027, 52054, 580249, 1160498, 9864233, 19728466]

約数ペア:

[(1, 19728466), (2, 9864233), (17, 1160498), (34, 580249), (379, 52054), (758, 26027), (1531, 12886), (3062, 6443)]