2019805

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{157}}^1$

素因数の和:276

約数の個数: 16

約数和(自身を含む): 2548224

約数和(自身を除く): 528419

約数列:

[1, 5, 31, 83, 155, 157, 415, 785, 2573, 4867, 12865, 13031, 24335, 65155, 403961, 2019805]

約数ペア:

[(1, 2019805), (5, 403961), (31, 65155), (83, 24335), (155, 13031), (157, 12865), (415, 4867), (785, 2573)]