18709912

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{179903}}^1$

素因数の和:179922

約数の個数: 16

約数和(自身を含む): 37779840

約数和(自身を除く): 19069928

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 179903, 359806, 719612, 1439224, 2338739, 4677478, 9354956, 18709912]

約数ペア:

[(1, 18709912), (2, 9354956), (4, 4677478), (8, 2338739), (13, 1439224), (26, 719612), (52, 359806), (104, 179903)]