19728243

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{701}}^1$

素因数の和:819

約数の個数: 24

約数和(自身を含む): 29568240

約数和(自身を除く): 9839997

約数列:

[1, 3, 9, 53, 59, 159, 177, 477, 531, 701, 2103, 3127, 6309, 9381, 28143, 37153, 41359, 111459, 124077, 334377, 372231, 2192027, 6576081, 19728243]

約数ペア:

[(1, 19728243), (3, 6576081), (9, 2192027), (53, 372231), (59, 334377), (159, 124077), (177, 111459), (477, 41359), (531, 37153), (701, 28143), (2103, 9381), (3127, 6309)]