19589361

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{199}}^1$

素因数の和:389

約数の個数: 32

約数和(自身を含む): 30336000

約数和(自身を除く): 10746639

約数列:

[1, 3, 11, 19, 33, 57, 157, 199, 209, 471, 597, 627, 1727, 2189, 2983, 3781, 5181, 6567, 8949, 11343, 31243, 32813, 41591, 93729, 98439, 124773, 343673, 593617, 1031019, 1780851, 6529787, 19589361]

約数ペア:

[(1, 19589361), (3, 6529787), (11, 1780851), (19, 1031019), (33, 593617), (57, 343673), (157, 124773), (199, 98439), (209, 93729), (471, 41591), (597, 32813), (627, 31243), (1727, 11343), (2189, 8949), (2983, 6567), (3781, 5181)]