18776500

素因数分解:

$2^2\times 5^3\times {\mathrm{17}}^1\times {\mathrm{47}}^2$

素因数の和:130

約数の個数: 72

約数和(自身を含む): 44363592

約数和(自身を除く): 25587092

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 47, 50, 68, 85, 94, 100, 125, 170, 188, 235, 250, 340, 425, 470, 500, 799, 850, 940, 1175, 1598, 1700, 2125, 2209, 2350, 3196, 3995, 4250, 4418, 4700, 5875, 7990, 8500, 8836, 11045, 11750, 15980, 19975, 22090, 23500, 37553, 39950, 44180, 55225, 75106, 79900, 99875, 110450, 150212, 187765, 199750, 220900, 276125, 375530, 399500, 552250, 751060, 938825, 1104500, 1877650, 3755300, 4694125, 9388250, 18776500]

約数ペア:

[(1, 18776500), (2, 9388250), (4, 4694125), (5, 3755300), (10, 1877650), (17, 1104500), (20, 938825), (25, 751060), (34, 552250), (47, 399500), (50, 375530), (68, 276125), (85, 220900), (94, 199750), (100, 187765), (125, 150212), (170, 110450), (188, 99875), (235, 79900), (250, 75106), (340, 55225), (425, 44180), (470, 39950), (500, 37553), (799, 23500), (850, 22090), (940, 19975), (1175, 15980), (1598, 11750), (1700, 11045), (2125, 8836), (2209, 8500), (2350, 7990), (3196, 5875), (3995, 4700), (4250, 4418)]