19982949

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{23209}}^1$

素因数の和:23260

約数の個数: 16

約数和(自身を含む): 31194240

約数和(自身を除く): 11211291

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 23209, 69627, 162463, 487389, 951569, 2854707, 6660983, 19982949]

約数ペア:

[(1, 19982949), (3, 6660983), (7, 2854707), (21, 951569), (41, 487389), (123, 162463), (287, 69627), (861, 23209)]