18938864

素因数分解:

$2^4\times 7^1\times {\mathrm{169097}}^1$

素因数の和:169112

約数の個数: 20

約数和(自身を含む): 41936304

約数和(自身を除く): 22997440

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 169097, 338194, 676388, 1183679, 1352776, 2367358, 2705552, 4734716, 9469432, 18938864]

約数ペア:

[(1, 18938864), (2, 9469432), (4, 4734716), (7, 2705552), (8, 2367358), (14, 1352776), (16, 1183679), (28, 676388), (56, 338194), (112, 169097)]