18727293

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{199}}^1$

素因数の和:361

約数の個数: 32

約数和(自身を含む): 28672000

約数和(自身を除く): 9944707

約数列:

[1, 3, 13, 19, 39, 57, 127, 199, 247, 381, 597, 741, 1651, 2413, 2587, 3781, 4953, 7239, 7761, 11343, 25273, 31369, 49153, 75819, 94107, 147459, 328549, 480187, 985647, 1440561, 6242431, 18727293]

約数ペア:

[(1, 18727293), (3, 6242431), (13, 1440561), (19, 985647), (39, 480187), (57, 328549), (127, 147459), (199, 94107), (247, 75819), (381, 49153), (597, 31369), (741, 25273), (1651, 11343), (2413, 7761), (2587, 7239), (3781, 4953)]