19900441

素因数分解:

${\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{11981}}^1$

素因数の和:12143

約数の個数: 8

約数和(自身を含む): 21855168

約数和(自身を除く): 1954727

約数列:

[1, 11, 151, 1661, 11981, 131791, 1809131, 19900441]

約数ペア:

[(1, 19900441), (11, 1809131), (151, 131791), (1661, 11981)]