19090161

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{10247}}^1$

素因数の和:10282

約数の個数: 20

約数和(自身を含む): 29760192

約数和(自身を除く): 10670031

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 10247, 30741, 92223, 235681, 276669, 707043, 830007, 2121129, 6363387, 19090161]

約数ペア:

[(1, 19090161), (3, 6363387), (9, 2121129), (23, 830007), (27, 707043), (69, 276669), (81, 235681), (207, 92223), (621, 30741), (1863, 10247)]