19601919

素因数分解:

$3^4\times {\mathrm{139}}^1\times {\mathrm{1741}}^1$

素因数の和:1892

約数の個数: 20

約数和(自身を含む): 29509480

約数和(自身を除く): 9907561

約数列:

[1, 3, 9, 27, 81, 139, 417, 1251, 1741, 3753, 5223, 11259, 15669, 47007, 141021, 241999, 725997, 2177991, 6533973, 19601919]

約数ペア:

[(1, 19601919), (3, 6533973), (9, 2177991), (27, 725997), (81, 241999), (139, 141021), (417, 47007), (1251, 15669), (1741, 11259), (3753, 5223)]