18974747

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{2027}}^1$

素因数の和:2098

約数の個数: 16

約数和(自身を含む): 22194432

約数和(自身を除く): 3219685

約数列:

[1, 11, 23, 37, 253, 407, 851, 2027, 9361, 22297, 46621, 74999, 512831, 824989, 1724977, 18974747]

約数ペア:

[(1, 18974747), (11, 1724977), (23, 824989), (37, 512831), (253, 74999), (407, 46621), (851, 22297), (2027, 9361)]