19862200

素因数分解:

$2^3\times 5^2\times {\mathrm{47}}^1\times {\mathrm{2113}}^1$

素因数の和:2176

約数の個数: 48

約数和(自身を含む): 47184480

約数和(自身を除く): 27322280

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 47, 50, 94, 100, 188, 200, 235, 376, 470, 940, 1175, 1880, 2113, 2350, 4226, 4700, 8452, 9400, 10565, 16904, 21130, 42260, 52825, 84520, 99311, 105650, 198622, 211300, 397244, 422600, 496555, 794488, 993110, 1986220, 2482775, 3972440, 4965550, 9931100, 19862200]

約数ペア:

[(1, 19862200), (2, 9931100), (4, 4965550), (5, 3972440), (8, 2482775), (10, 1986220), (20, 993110), (25, 794488), (40, 496555), (47, 422600), (50, 397244), (94, 211300), (100, 198622), (188, 105650), (200, 99311), (235, 84520), (376, 52825), (470, 42260), (940, 21130), (1175, 16904), (1880, 10565), (2113, 9400), (2350, 8452), (4226, 4700)]