19018791

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{10111}}^1$

素因数の和:10147

約数の個数: 24

約数和(自身を含む): 31549440

約数和(自身を除く): 12530649

約数列:

[1, 3, 9, 11, 19, 33, 57, 99, 171, 209, 627, 1881, 10111, 30333, 90999, 111221, 192109, 333663, 576327, 1000989, 1728981, 2113199, 6339597, 19018791]

約数ペア:

[(1, 19018791), (3, 6339597), (9, 2113199), (11, 1728981), (19, 1000989), (33, 576327), (57, 333663), (99, 192109), (171, 111221), (209, 90999), (627, 30333), (1881, 10111)]