19927138

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{1559}}^1$

素因数の和:1662

約数の個数: 32

約数和(自身を含む): 37739520

約数和(自身を除く): 17812382

約数列:

[1, 2, 7, 11, 14, 22, 77, 83, 154, 166, 581, 913, 1162, 1559, 1826, 3118, 6391, 10913, 12782, 17149, 21826, 34298, 120043, 129397, 240086, 258794, 905779, 1423367, 1811558, 2846734, 9963569, 19927138]

約数ペア:

[(1, 19927138), (2, 9963569), (7, 2846734), (11, 1811558), (14, 1423367), (22, 905779), (77, 258794), (83, 240086), (154, 129397), (166, 120043), (581, 34298), (913, 21826), (1162, 17149), (1559, 12782), (1826, 10913), (3118, 6391)]