19194489

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{10303}}^1$

素因数の和:10338

約数の個数: 20

約数和(自身を含む): 29922816

約数和(自身を除く): 10728327

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 10303, 30909, 92727, 236969, 278181, 710907, 834543, 2132721, 6398163, 19194489]

約数ペア:

[(1, 19194489), (3, 6398163), (9, 2132721), (23, 834543), (27, 710907), (69, 278181), (81, 236969), (207, 92727), (621, 30909), (1863, 10303)]