18813793

素因数分解:

${\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{281}}^1$

素因数の和:416

約数の個数: 16

約数和(自身を含む): 20466432

約数和(自身を除く): 1652639

約数列:

[1, 23, 41, 71, 281, 943, 1633, 2911, 6463, 11521, 19951, 66953, 264983, 458873, 817991, 18813793]

約数ペア:

[(1, 18813793), (23, 817991), (41, 458873), (71, 264983), (281, 66953), (943, 19951), (1633, 11521), (2911, 6463)]