19061487

素因数分解:

$3^4\times {\mathrm{139}}^1\times {\mathrm{1693}}^1$

素因数の和:1844

約数の個数: 20

約数和(自身を含む): 28696360

約数和(自身を除く): 9634873

約数列:

[1, 3, 9, 27, 81, 139, 417, 1251, 1693, 3753, 5079, 11259, 15237, 45711, 137133, 235327, 705981, 2117943, 6353829, 19061487]

約数ペア:

[(1, 19061487), (3, 6353829), (9, 2117943), (27, 705981), (81, 235327), (139, 137133), (417, 45711), (1251, 15237), (1693, 11259), (3753, 5079)]