19924479

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{787}}^1$

素因数の和:919

約数の個数: 24

約数和(自身を含む): 30117360

約数和(自身を除く): 10192881

約数列:

[1, 3, 9, 29, 87, 97, 261, 291, 787, 873, 2361, 2813, 7083, 8439, 22823, 25317, 68469, 76339, 205407, 229017, 687051, 2213831, 6641493, 19924479]

約数ペア:

[(1, 19924479), (3, 6641493), (9, 2213831), (29, 687051), (87, 229017), (97, 205407), (261, 76339), (291, 68469), (787, 25317), (873, 22823), (2361, 8439), (2813, 7083)]