19251568

素因数分解:

$2^4\times 7^1\times {\mathrm{171889}}^1$

素因数の和:171904

約数の個数: 20

約数和(自身を含む): 42628720

約数和(自身を除く): 23377152

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 171889, 343778, 687556, 1203223, 1375112, 2406446, 2750224, 4812892, 9625784, 19251568]

約数ペア:

[(1, 19251568), (2, 9625784), (4, 4812892), (7, 2750224), (8, 2406446), (14, 1375112), (16, 1203223), (28, 687556), (56, 343778), (112, 171889)]