9901868

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{2503}}^1$

素因数の和:2573

約数の個数: 24

約数和(自身を含む): 18509568

約数和(自身を除く): 8607700

約数列:

[1, 2, 4, 23, 43, 46, 86, 92, 172, 989, 1978, 2503, 3956, 5006, 10012, 57569, 107629, 115138, 215258, 230276, 430516, 2475467, 4950934, 9901868]

約数ペア:

[(1, 9901868), (2, 4950934), (4, 2475467), (23, 430516), (43, 230276), (46, 215258), (86, 115138), (92, 107629), (172, 57569), (989, 10012), (1978, 5006), (2503, 3956)]