19907788

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{353}}^1\times {\mathrm{613}}^1$

素因数の和:993

約数の個数: 24

約数和(自身を含む): 36515808

約数和(自身を除く): 16608020

約数列:

[1, 2, 4, 23, 46, 92, 353, 613, 706, 1226, 1412, 2452, 8119, 14099, 16238, 28198, 32476, 56396, 216389, 432778, 865556, 4976947, 9953894, 19907788]

約数ペア:

[(1, 19907788), (2, 9953894), (4, 4976947), (23, 865556), (46, 432778), (92, 216389), (353, 56396), (613, 32476), (706, 28198), (1226, 16238), (1412, 14099), (2452, 8119)]