19712481

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{1447}}^1$

素因数の和:1708

約数の個数: 16

約数和(自身を含む): 27801600

約数和(自身を除く): 8089119

約数列:

[1, 3, 19, 57, 239, 717, 1447, 4341, 4541, 13623, 27493, 82479, 345833, 1037499, 6570827, 19712481]

約数ペア:

[(1, 19712481), (3, 6570827), (19, 1037499), (57, 345833), (239, 82479), (717, 27493), (1447, 13623), (4341, 4541)]