18914680

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{10061}}^1$

素因数の和:10119

約数の個数: 32

約数和(自身を含む): 43467840

約数和(自身を除く): 24553160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 10061, 20122, 40244, 50305, 80488, 100610, 201220, 402440, 472867, 945734, 1891468, 2364335, 3782936, 4728670, 9457340, 18914680]

約数ペア:

[(1, 18914680), (2, 9457340), (4, 4728670), (5, 3782936), (8, 2364335), (10, 1891468), (20, 945734), (40, 472867), (47, 402440), (94, 201220), (188, 100610), (235, 80488), (376, 50305), (470, 40244), (940, 20122), (1880, 10061)]