19882143

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{691}}^1$

素因数の和:859

約数の個数: 24

約数和(自身を含む): 30226560

約数和(自身を除く): 10344417

約数列:

[1, 3, 9, 23, 69, 139, 207, 417, 691, 1251, 2073, 3197, 6219, 9591, 15893, 28773, 47679, 96049, 143037, 288147, 864441, 2209127, 6627381, 19882143]

約数ペア:

[(1, 19882143), (3, 6627381), (9, 2209127), (23, 864441), (69, 288147), (139, 143037), (207, 96049), (417, 47679), (691, 28773), (1251, 15893), (2073, 9591), (3197, 6219)]