19116891

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{13883}}^1$

素因数の和:13912

約数の個数: 20

約数和(自身を含む): 30239352

約数和(自身を除く): 11122461

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 13883, 41649, 124947, 236011, 374841, 708033, 1124523, 2124099, 6372297, 19116891]

約数ペア:

[(1, 19116891), (3, 6372297), (9, 2124099), (17, 1124523), (27, 708033), (51, 374841), (81, 236011), (153, 124947), (459, 41649), (1377, 13883)]