19743262

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{128203}}^1$

素因数の和:128223

約数の個数: 16

約数和(自身を含む): 36922752

約数和(自身を除く): 17179490

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 128203, 256406, 897421, 1410233, 1794842, 2820466, 9871631, 19743262]

約数ペア:

[(1, 19743262), (2, 9871631), (7, 2820466), (11, 1794842), (14, 1410233), (22, 897421), (77, 256406), (154, 128203)]