2158172

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{389}}^1$

素因数の和:485

約数の個数: 24

約数和(自身を含む): 4040400

約数和(自身を除く): 1882228

約数列:

[1, 2, 4, 19, 38, 73, 76, 146, 292, 389, 778, 1387, 1556, 2774, 5548, 7391, 14782, 28397, 29564, 56794, 113588, 539543, 1079086, 2158172]

約数ペア:

[(1, 2158172), (2, 1079086), (4, 539543), (19, 113588), (38, 56794), (73, 29564), (76, 28397), (146, 14782), (292, 7391), (389, 5548), (778, 2774), (1387, 1556)]