19031193

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{4999}}^1$

素因数の和:5058

約数の個数: 20

約数和(自身を含む): 29040000

約数和(自身を除く): 10008807

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 1269, 3807, 4999, 14997, 44991, 134973, 234953, 404919, 704859, 2114577, 6343731, 19031193]

約数ペア:

[(1, 19031193), (3, 6343731), (9, 2114577), (27, 704859), (47, 404919), (81, 234953), (141, 134973), (423, 44991), (1269, 14997), (3807, 4999)]