19201563

素因数分解:

$3^3\times {\mathrm{163}}^1\times {\mathrm{4363}}^1$

素因数の和:4535

約数の個数: 16

約数和(自身を含む): 28627840

約数和(自身を除く): 9426277

約数列:

[1, 3, 9, 27, 163, 489, 1467, 4363, 4401, 13089, 39267, 117801, 711169, 2133507, 6400521, 19201563]

約数ペア:

[(1, 19201563), (3, 6400521), (9, 2133507), (27, 711169), (163, 117801), (489, 39267), (1467, 13089), (4363, 4401)]