18987248

素因数分解:

$2^4\times 7^1\times {\mathrm{47}}^1\times {\mathrm{3607}}^1$

素因数の和:3669

約数の個数: 40

約数和(自身を含む): 42949632

約数和(自身を除く): 23962384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 47, 56, 94, 112, 188, 329, 376, 658, 752, 1316, 2632, 3607, 5264, 7214, 14428, 25249, 28856, 50498, 57712, 100996, 169529, 201992, 339058, 403984, 678116, 1186703, 1356232, 2373406, 2712464, 4746812, 9493624, 18987248]

約数ペア:

[(1, 18987248), (2, 9493624), (4, 4746812), (7, 2712464), (8, 2373406), (14, 1356232), (16, 1186703), (28, 678116), (47, 403984), (56, 339058), (94, 201992), (112, 169529), (188, 100996), (329, 57712), (376, 50498), (658, 28856), (752, 25249), (1316, 14428), (2632, 7214), (3607, 5264)]