189531859

素因数分解:

${\mathrm{11}}^2\times {\mathrm{19}}^2\times {\mathrm{4339}}^1$

素因数の和:4399

約数の個数: 18

約数和(自身を含む): 219920820

約数和(自身を除く): 30388961

約数列:

[1, 11, 19, 121, 209, 361, 2299, 3971, 4339, 43681, 47729, 82441, 525019, 906851, 1566379, 9975361, 17230169, 189531859]

約数ペア:

[(1, 189531859), (11, 17230169), (19, 9975361), (121, 1566379), (209, 906851), (361, 525019), (2299, 82441), (3971, 47729), (4339, 43681)]