18361989

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{2791}}^1$

素因数の和:2857

約数の個数: 24

約数和(自身を含む): 28746432

約数和(自身を除く): 10384443

約数列:

[1, 3, 9, 17, 43, 51, 129, 153, 387, 731, 2193, 2791, 6579, 8373, 25119, 47447, 120013, 142341, 360039, 427023, 1080117, 2040221, 6120663, 18361989]

約数ペア:

[(1, 18361989), (3, 6120663), (9, 2040221), (17, 1080117), (43, 427023), (51, 360039), (129, 142341), (153, 120013), (387, 47447), (731, 25119), (2193, 8373), (2791, 6579)]