19698633

素因数分解:

$3^4\times {\mathrm{157}}^1\times {\mathrm{1549}}^1$

素因数の和:1718

約数の個数: 20

約数和(自身を含む): 29632900

約数和(自身を除く): 9934267

約数列:

[1, 3, 9, 27, 81, 157, 471, 1413, 1549, 4239, 4647, 12717, 13941, 41823, 125469, 243193, 729579, 2188737, 6566211, 19698633]

約数ペア:

[(1, 19698633), (3, 6566211), (9, 2188737), (27, 729579), (81, 243193), (157, 125469), (471, 41823), (1413, 13941), (1549, 12717), (4239, 4647)]