18798197

素因数分解:

${\mathrm{11}}^2\times {\mathrm{337}}^1\times {\mathrm{461}}^1$

素因数の和:820

約数の個数: 12

約数和(自身を含む): 20768748

約数和(自身を除く): 1970551

約数列:

[1, 11, 121, 337, 461, 3707, 5071, 40777, 55781, 155357, 1708927, 18798197]

約数ペア:

[(1, 18798197), (11, 1708927), (121, 155357), (337, 55781), (461, 40777), (3707, 5071)]