19745684

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{30661}}^1$

素因数の和:30695

約数の個数: 24

約数和(自身を含む): 41209728

約数和(自身を除く): 21464044

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 30661, 61322, 122644, 214627, 429254, 705203, 858508, 1410406, 2820812, 4936421, 9872842, 19745684]

約数ペア:

[(1, 19745684), (2, 9872842), (4, 4936421), (7, 2820812), (14, 1410406), (23, 858508), (28, 705203), (46, 429254), (92, 214627), (161, 122644), (322, 61322), (644, 30661)]