19223792

素因数分解:

$2^4\times 7^1\times {\mathrm{171641}}^1$

素因数の和:171656

約数の個数: 20

約数和(自身を含む): 42567216

約数和(自身を除く): 23343424

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 171641, 343282, 686564, 1201487, 1373128, 2402974, 2746256, 4805948, 9611896, 19223792]

約数ペア:

[(1, 19223792), (2, 9611896), (4, 4805948), (7, 2746256), (8, 2402974), (14, 1373128), (16, 1201487), (28, 686564), (56, 343282), (112, 171641)]