19261936

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{27997}}^1$

素因数の和:28048

約数の個数: 20

約数和(自身を含む): 38189272

約数和(自身を除く): 18927336

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 27997, 55994, 111988, 223976, 447952, 1203871, 2407742, 4815484, 9630968, 19261936]

約数ペア:

[(1, 19261936), (2, 9630968), (4, 4815484), (8, 2407742), (16, 1203871), (43, 447952), (86, 223976), (172, 111988), (344, 55994), (688, 27997)]