12197981

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{271}}^1$

素因数の和:416

約数の個数: 16

約数和(自身を含む): 13578240

約数和(自身を除く): 1380259

約数列:

[1, 19, 23, 103, 271, 437, 1957, 2369, 5149, 6233, 27913, 45011, 118427, 530347, 641999, 12197981]

約数ペア:

[(1, 12197981), (19, 641999), (23, 530347), (103, 118427), (271, 45011), (437, 27913), (1957, 6233), (2369, 5149)]