19904782

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{1979}}^1$

素因数の和:2135

約数の個数: 16

約数和(自身を含む): 30792960

約数和(自身を除く): 10888178

約数列:

[1, 2, 47, 94, 107, 214, 1979, 3958, 5029, 10058, 93013, 186026, 211753, 423506, 9952391, 19904782]

約数ペア:

[(1, 19904782), (2, 9952391), (47, 423506), (94, 211753), (107, 186026), (214, 93013), (1979, 10058), (3958, 5029)]