19659995

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{883}}^1$

素因数の和:1022

約数の個数: 16

約数和(自身を含む): 24334752

約数和(自身を除く): 4674757

約数列:

[1, 5, 61, 73, 305, 365, 883, 4415, 4453, 22265, 53863, 64459, 269315, 322295, 3931999, 19659995]

約数ペア:

[(1, 19659995), (5, 3931999), (61, 322295), (73, 269315), (305, 64459), (365, 53863), (883, 22265), (4415, 4453)]