19475290

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{14011}}^1$

素因数の和:14157

約数の個数: 16

約数和(自身を含む): 35310240

約数和(自身を除く): 15834950

約数列:

[1, 2, 5, 10, 139, 278, 695, 1390, 14011, 28022, 70055, 140110, 1947529, 3895058, 9737645, 19475290]

約数ペア:

[(1, 19475290), (2, 9737645), (5, 3895058), (10, 1947529), (139, 140110), (278, 70055), (695, 28022), (1390, 14011)]