18549878769

素因数分解:

$3^4\times {\mathrm{547}}^1\times {\mathrm{418667}}^1$

素因数の和:419226

約数の個数: 20

約数和(自身を含む): 27761037744

約数和(自身を除く): 9211158975

約数列:

[1, 3, 9, 27, 81, 547, 1641, 4923, 14769, 44307, 418667, 1256001, 3768003, 11304009, 33912027, 229010849, 687032547, 2061097641, 6183292923, 18549878769]

約数ペア:

[(1, 18549878769), (3, 6183292923), (9, 2061097641), (27, 687032547), (81, 229010849), (547, 33912027), (1641, 11304009), (4923, 3768003), (14769, 1256001), (44307, 418667)]