19111191

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{2137}}^1$

素因数の和:2422

約数の個数: 16

約数和(自身を含む): 27913728

約数和(自身を除く): 8802537

約数列:

[1, 3, 11, 33, 271, 813, 2137, 2981, 6411, 8943, 23507, 70521, 579127, 1737381, 6370397, 19111191]

約数ペア:

[(1, 19111191), (3, 6370397), (11, 1737381), (33, 579127), (271, 70521), (813, 23507), (2137, 8943), (2981, 6411)]