1989868

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{503}}^1$

素因数の和:573

約数の個数: 24

約数和(自身を含む): 3725568

約数和(自身を除く): 1735700

約数列:

[1, 2, 4, 23, 43, 46, 86, 92, 172, 503, 989, 1006, 1978, 2012, 3956, 11569, 21629, 23138, 43258, 46276, 86516, 497467, 994934, 1989868]

約数ペア:

[(1, 1989868), (2, 994934), (4, 497467), (23, 86516), (43, 46276), (46, 43258), (86, 23138), (92, 21629), (172, 11569), (503, 3956), (989, 2012), (1006, 1978)]