19990304

素因数分解:

$2^5\times {\mathrm{439}}^1\times {\mathrm{1423}}^1$

素因数の和:1872

約数の個数: 24

約数和(自身を含む): 39473280

約数和(自身を除く): 19482976

約数列:

[1, 2, 4, 8, 16, 32, 439, 878, 1423, 1756, 2846, 3512, 5692, 7024, 11384, 14048, 22768, 45536, 624697, 1249394, 2498788, 4997576, 9995152, 19990304]

約数ペア:

[(1, 19990304), (2, 9995152), (4, 4997576), (8, 2498788), (16, 1249394), (32, 624697), (439, 45536), (878, 22768), (1423, 14048), (1756, 11384), (2846, 7024), (3512, 5692)]