19489131

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{839}}^1$

素因数の和:963

約数の個数: 24

約数和(自身を含む): 29484000

約数和(自身を除く): 9994869

約数列:

[1, 3, 9, 29, 87, 89, 261, 267, 801, 839, 2517, 2581, 7551, 7743, 23229, 24331, 72993, 74671, 218979, 224013, 672039, 2165459, 6496377, 19489131]

約数ペア:

[(1, 19489131), (3, 6496377), (9, 2165459), (29, 672039), (87, 224013), (89, 218979), (261, 74671), (267, 72993), (801, 24331), (839, 23229), (2517, 7743), (2581, 7551)]