17938217

素因数分解:

${\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{251}}^1$

素因数の和:424

約数の個数: 16

約数和(自身を含む): 20139840

約数和(自身を除く): 2201623

約数列:

[1, 11, 73, 89, 251, 803, 979, 2761, 6497, 18323, 22339, 71467, 201553, 245729, 1630747, 17938217]

約数ペア:

[(1, 17938217), (11, 1630747), (73, 245729), (89, 201553), (251, 71467), (803, 22339), (979, 18323), (2761, 6497)]