18667894

素因数分解:

$2^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{9733}}^1$

素因数の和:9879

約数の個数: 16

約数和(自身を含む): 32239008

約数和(自身を除く): 13571114

約数列:

[1, 2, 7, 14, 137, 274, 959, 1918, 9733, 19466, 68131, 136262, 1333421, 2666842, 9333947, 18667894]

約数ペア:

[(1, 18667894), (2, 9333947), (7, 2666842), (14, 1333421), (137, 136262), (274, 68131), (959, 19466), (1918, 9733)]