19143344

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{108769}}^1$

素因数の和:108788

約数の個数: 20

約数和(自身を含む): 40462440

約数和(自身を除く): 21319096

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 108769, 217538, 435076, 870152, 1196459, 1740304, 2392918, 4785836, 9571672, 19143344]

約数ペア:

[(1, 19143344), (2, 9571672), (4, 4785836), (8, 2392918), (11, 1740304), (16, 1196459), (22, 870152), (44, 435076), (88, 217538), (176, 108769)]