19820772

素因数分解:

$2^2\times 3^2\times {\mathrm{550577}}^1$

素因数の和:550587

約数の個数: 18

約数和(自身を含む): 50102598

約数和(自身を除く): 30281826

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 550577, 1101154, 1651731, 2202308, 3303462, 4955193, 6606924, 9910386, 19820772]

約数ペア:

[(1, 19820772), (2, 9910386), (3, 6606924), (4, 4955193), (6, 3303462), (9, 2202308), (12, 1651731), (18, 1101154), (36, 550577)]