19930339

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{151}}^1$

素因数の和:259

約数の個数: 24

約数和(自身を含む): 24033024

約数和(自身を除く): 4102685

約数列:

[1, 11, 13, 71, 143, 151, 169, 781, 923, 1661, 1859, 1963, 10153, 10721, 11999, 21593, 25519, 117931, 131989, 139373, 280709, 1533103, 1811849, 19930339]

約数ペア:

[(1, 19930339), (11, 1811849), (13, 1533103), (71, 280709), (143, 139373), (151, 131989), (169, 117931), (781, 25519), (923, 21593), (1661, 11999), (1859, 10721), (1963, 10153)]