18940941

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{2879}}^1$

素因数の和:2945

約数の個数: 24

約数和(自身を含む): 29652480

約数和(自身を除く): 10711539

約数列:

[1, 3, 9, 17, 43, 51, 129, 153, 387, 731, 2193, 2879, 6579, 8637, 25911, 48943, 123797, 146829, 371391, 440487, 1114173, 2104549, 6313647, 18940941]

約数ペア:

[(1, 18940941), (3, 6313647), (9, 2104549), (17, 1114173), (43, 440487), (51, 371391), (129, 146829), (153, 123797), (387, 48943), (731, 25911), (2193, 8637), (2879, 6579)]