19490781

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{1459}}^1$

素因数の和:1596

約数の個数: 16

約数和(自身を含む): 26793920

約数和(自身を除く): 7303139

約数列:

[1, 3, 61, 73, 183, 219, 1459, 4377, 4453, 13359, 88999, 106507, 266997, 319521, 6496927, 19490781]

約数ペア:

[(1, 19490781), (3, 6496927), (61, 319521), (73, 266997), (183, 106507), (219, 88999), (1459, 13359), (4377, 4453)]