19995309

素因数分解:

$3^3\times {\mathrm{787}}^1\times {\mathrm{941}}^1$

素因数の和:1737

約数の個数: 16

約数和(自身を含む): 29691840

約数和(自身を除く): 9696531

約数列:

[1, 3, 9, 27, 787, 941, 2361, 2823, 7083, 8469, 21249, 25407, 740567, 2221701, 6665103, 19995309]

約数ペア:

[(1, 19995309), (3, 6665103), (9, 2221701), (27, 740567), (787, 25407), (941, 21249), (2361, 8469), (2823, 7083)]