19861898

素因数分解:

$2^1\times 7^1\times {\mathrm{353}}^1\times {\mathrm{4019}}^1$

素因数の和:4381

約数の個数: 16

約数和(自身を含む): 34153920

約数和(自身を除く): 14292022

約数列:

[1, 2, 7, 14, 353, 706, 2471, 4019, 4942, 8038, 28133, 56266, 1418707, 2837414, 9930949, 19861898]

約数ペア:

[(1, 19861898), (2, 9930949), (7, 2837414), (14, 1418707), (353, 56266), (706, 28133), (2471, 8038), (4019, 4942)]