19489653

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{8297}}^1$

素因数の和:8338

約数の個数: 20

約数和(自身を含む): 30121740

約数和(自身を除く): 10632087

約数列:

[1, 3, 9, 27, 29, 81, 87, 261, 783, 2349, 8297, 24891, 74673, 224019, 240613, 672057, 721839, 2165517, 6496551, 19489653]

約数ペア:

[(1, 19489653), (3, 6496551), (9, 2165517), (27, 721839), (29, 672057), (81, 240613), (87, 224019), (261, 74673), (783, 24891), (2349, 8297)]