19994931

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{22441}}^1$

素因数の和:22464

約数の個数: 20

約数和(自身を含む): 32585784

約数和(自身を除く): 12590853

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 22441, 67323, 201969, 246851, 605907, 740553, 1817721, 2221659, 6664977, 19994931]

約数ペア:

[(1, 19994931), (3, 6664977), (9, 2221659), (11, 1817721), (27, 740553), (33, 605907), (81, 246851), (99, 201969), (297, 67323), (891, 22441)]