19142224

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{27823}}^1$

素因数の和:27874

約数の個数: 20

約数和(自身を含む): 37951936

約数和(自身を除く): 18809712

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 27823, 55646, 111292, 222584, 445168, 1196389, 2392778, 4785556, 9571112, 19142224]

約数ペア:

[(1, 19142224), (2, 9571112), (4, 4785556), (8, 2392778), (16, 1196389), (43, 445168), (86, 222584), (172, 111292), (344, 55646), (688, 27823)]