19291617

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{7417}}^1$

素因数の和:7457

約数の個数: 18

約数和(自身を含む): 29605238

約数和(自身を除く): 10313621

約数列:

[1, 3, 9, 17, 51, 153, 289, 867, 2601, 7417, 22251, 66753, 126089, 378267, 1134801, 2143513, 6430539, 19291617]

約数ペア:

[(1, 19291617), (3, 6430539), (9, 2143513), (17, 1134801), (51, 378267), (153, 126089), (289, 66753), (867, 22251), (2601, 7417)]