19503790

素因数分解:

$2^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{20107}}^1$

素因数の和:20211

約数の個数: 16

約数和(自身を含む): 35470512

約数和(自身を除く): 15966722

約数列:

[1, 2, 5, 10, 97, 194, 485, 970, 20107, 40214, 100535, 201070, 1950379, 3900758, 9751895, 19503790]

約数ペア:

[(1, 19503790), (2, 9751895), (5, 3900758), (10, 1950379), (97, 201070), (194, 100535), (485, 40214), (970, 20107)]