18905337

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{4441}}^1$

素因数の和:4501

約数の個数: 24

約数和(自身を含む): 30489888

約数和(自身を除く): 11584551

約数列:

[1, 3, 9, 11, 33, 43, 99, 129, 387, 473, 1419, 4257, 4441, 13323, 39969, 48851, 146553, 190963, 439659, 572889, 1718667, 2100593, 6301779, 18905337]

約数ペア:

[(1, 18905337), (3, 6301779), (9, 2100593), (11, 1718667), (33, 572889), (43, 439659), (99, 190963), (129, 146553), (387, 48851), (473, 39969), (1419, 13323), (4257, 4441)]