19228023

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{10321}}^1$

素因数の和:10356

約数の個数: 20

約数和(自身を含む): 29975088

約数和(自身を除く): 10747065

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 10321, 30963, 92889, 237383, 278667, 712149, 836001, 2136447, 6409341, 19228023]

約数ペア:

[(1, 19228023), (3, 6409341), (9, 2136447), (23, 836001), (27, 712149), (69, 278667), (81, 237383), (207, 92889), (621, 30963), (1863, 10321)]