19877439

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{1447}}^1$

素因数の和:1710

約数の個数: 16

約数和(自身を含む): 28033280

約数和(自身を除く): 8155841

約数列:

[1, 3, 19, 57, 241, 723, 1447, 4341, 4579, 13737, 27493, 82479, 348727, 1046181, 6625813, 19877439]

約数ペア:

[(1, 19877439), (3, 6625813), (19, 1046181), (57, 348727), (241, 82479), (723, 27493), (1447, 13737), (4341, 4579)]