19669391

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{2467}}^1$

素因数の和:2558

約数の個数: 16

約数和(自身を含む): 24166656

約数和(自身を除く): 4497265

約数列:

[1, 7, 17, 67, 119, 469, 1139, 2467, 7973, 17269, 41939, 165289, 293573, 1157023, 2809913, 19669391]

約数ペア:

[(1, 19669391), (7, 2809913), (17, 1157023), (67, 293573), (119, 165289), (469, 41939), (1139, 17269), (2467, 7973)]