18268492040

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{2213}}^1\times {\mathrm{4391}}^1$

素因数の和:6662

約数の個数: 64

約数和(自身を含む): 42007196160

約数和(自身を除く): 23738704120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 2213, 4391, 4426, 8782, 8852, 11065, 17564, 17704, 21955, 22130, 35128, 43910, 44260, 87820, 88520, 104011, 175640, 206377, 208022, 412754, 416044, 520055, 825508, 832088, 1031885, 1040110, 1651016, 2063770, 2080220, 4127540, 4160440, 8255080, 9717283, 19434566, 38869132, 48586415, 77738264, 97172830, 194345660, 388691320, 456712301, 913424602, 1826849204, 2283561505, 3653698408, 4567123010, 9134246020, 18268492040]

約数ペア:

[(1, 18268492040), (2, 9134246020), (4, 4567123010), (5, 3653698408), (8, 2283561505), (10, 1826849204), (20, 913424602), (40, 456712301), (47, 388691320), (94, 194345660), (188, 97172830), (235, 77738264), (376, 48586415), (470, 38869132), (940, 19434566), (1880, 9717283), (2213, 8255080), (4391, 4160440), (4426, 4127540), (8782, 2080220), (8852, 2063770), (11065, 1651016), (17564, 1040110), (17704, 1031885), (21955, 832088), (22130, 825508), (35128, 520055), (43910, 416044), (44260, 412754), (87820, 208022), (88520, 206377), (104011, 175640)]