19956261

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{2141}}^1$

素因数の和:2396

約数の個数: 16

約数和(自身を含む): 28788480

約数和(自身を除く): 8832219

約数列:

[1, 3, 13, 39, 239, 717, 2141, 3107, 6423, 9321, 27833, 83499, 511699, 1535097, 6652087, 19956261]

約数ペア:

[(1, 19956261), (3, 6652087), (13, 1535097), (39, 511699), (239, 83499), (717, 27833), (2141, 9321), (3107, 6423)]