19612769

素因数分解:

${\mathrm{11}}^2\times {\mathrm{19}}^2\times {\mathrm{449}}^1$

素因数の和:509

約数の個数: 18

約数和(自身を含む): 22802850

約数和(自身を除く): 3190081

約数列:

[1, 11, 19, 121, 209, 361, 449, 2299, 3971, 4939, 8531, 43681, 54329, 93841, 162089, 1032251, 1782979, 19612769]

約数ペア:

[(1, 19612769), (11, 1782979), (19, 1032251), (121, 162089), (209, 93841), (361, 54329), (449, 43681), (2299, 8531), (3971, 4939)]