19852369

素因数分解:

${\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{281}}^1$

素因数の和:408

約数の個数: 16

約数和(自身を含む): 21441024

約数和(自身を除く): 1588655

約数列:

[1, 31, 43, 53, 281, 1333, 1643, 2279, 8711, 12083, 14893, 70649, 374573, 461683, 640399, 19852369]

約数ペア:

[(1, 19852369), (31, 640399), (43, 461683), (53, 374573), (281, 70649), (1333, 14893), (1643, 12083), (2279, 8711)]