19982512

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{113537}}^1$

素因数の和:113556

約数の個数: 20

約数和(自身を含む): 42236136

約数和(自身を除く): 22253624

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 113537, 227074, 454148, 908296, 1248907, 1816592, 2497814, 4995628, 9991256, 19982512]

約数ペア:

[(1, 19982512), (2, 9991256), (4, 4995628), (8, 2497814), (11, 1816592), (16, 1248907), (22, 908296), (44, 454148), (88, 227074), (176, 113537)]