19505985

素因数分解:

$3^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{5441}}^1$

素因数の和:5688

約数の個数: 16

約数和(自身を含む): 31345920

約数和(自身を除く): 11839935

約数列:

[1, 3, 5, 15, 239, 717, 1195, 3585, 5441, 16323, 27205, 81615, 1300399, 3901197, 6501995, 19505985]

約数ペア:

[(1, 19505985), (3, 6501995), (5, 3901197), (15, 1300399), (239, 81615), (717, 27205), (1195, 16323), (3585, 5441)]