18507974

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1$

素因数の和:296

約数の個数: 32

約数和(自身を含む): 30270240

約数和(自身を除く): 11762266

約数列:

[1, 2, 29, 41, 43, 58, 82, 86, 181, 362, 1189, 1247, 1763, 2378, 2494, 3526, 5249, 7421, 7783, 10498, 14842, 15566, 51127, 102254, 215209, 225707, 319103, 430418, 451414, 638206, 9253987, 18507974]

約数ペア:

[(1, 18507974), (2, 9253987), (29, 638206), (41, 451414), (43, 430418), (58, 319103), (82, 225707), (86, 215209), (181, 102254), (362, 51127), (1189, 15566), (1247, 14842), (1763, 10498), (2378, 7783), (2494, 7421), (3526, 5249)]