19879317

素因数分解:

$3^3\times {\mathrm{163}}^1\times {\mathrm{4517}}^1$

素因数の和:4689

約数の個数: 16

約数和(自身を含む): 29638080

約数和(自身を除く): 9758763

約数列:

[1, 3, 9, 27, 163, 489, 1467, 4401, 4517, 13551, 40653, 121959, 736271, 2208813, 6626439, 19879317]

約数ペア:

[(1, 19879317), (3, 6626439), (9, 2208813), (27, 736271), (163, 121959), (489, 40653), (1467, 13551), (4401, 4517)]