18809343

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{9631}}^1$

素因数の和:9675

約数の個数: 24

約数和(自身を含む): 32055296

約数和(自身を除く): 13245953

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 9631, 28893, 67417, 86679, 202251, 298561, 606753, 895683, 2089927, 2687049, 6269781, 18809343]

約数ペア:

[(1, 18809343), (3, 6269781), (7, 2687049), (9, 2089927), (21, 895683), (31, 606753), (63, 298561), (93, 202251), (217, 86679), (279, 67417), (651, 28893), (1953, 9631)]