17996909

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{859}}^1$

素因数の和:980

約数の個数: 16

約数和(自身を含む): 21383040

約数和(自身を除く): 3386131

約数列:

[1, 7, 41, 73, 287, 511, 859, 2993, 6013, 20951, 35219, 62707, 246533, 438949, 2570987, 17996909]

約数ペア:

[(1, 17996909), (7, 2570987), (41, 438949), (73, 246533), (287, 62707), (511, 35219), (859, 20951), (2993, 6013)]