19388440

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{10313}}^1$

素因数の和:10371

約数の個数: 32

約数和(自身を含む): 44556480

約数和(自身を除く): 25168040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 10313, 20626, 41252, 51565, 82504, 103130, 206260, 412520, 484711, 969422, 1938844, 2423555, 3877688, 4847110, 9694220, 19388440]

約数ペア:

[(1, 19388440), (2, 9694220), (4, 4847110), (5, 3877688), (8, 2423555), (10, 1938844), (20, 969422), (40, 484711), (47, 412520), (94, 206260), (188, 103130), (235, 82504), (376, 51565), (470, 41252), (940, 20626), (1880, 10313)]