19401711

素因数分解:

$3^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{4787}}^1$

素因数の和:4990

約数の個数: 16

約数和(自身を含む): 29723904

約数和(自身を除く): 10322193

約数列:

[1, 3, 7, 21, 193, 579, 1351, 4053, 4787, 14361, 33509, 100527, 923891, 2771673, 6467237, 19401711]

約数ペア:

[(1, 19401711), (3, 6467237), (7, 2771673), (21, 923891), (193, 100527), (579, 33509), (1351, 14361), (4053, 4787)]