16661872

素因数分解:

$2^4\times {\mathrm{199}}^1\times {\mathrm{5233}}^1$

素因数の和:5440

約数の個数: 20

約数和(自身を含む): 32450800

約数和(自身を除く): 15788928

約数列:

[1, 2, 4, 8, 16, 199, 398, 796, 1592, 3184, 5233, 10466, 20932, 41864, 83728, 1041367, 2082734, 4165468, 8330936, 16661872]

約数ペア:

[(1, 16661872), (2, 8330936), (4, 4165468), (8, 2082734), (16, 1041367), (199, 83728), (398, 41864), (796, 20932), (1592, 10466), (3184, 5233)]