19788820947

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{253109}}^1$

素因数の和:253212

約数の個数: 48

約数和(自身を含む): 35062822080

約数和(自身を除く): 15274001133

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 73, 119, 153, 219, 357, 511, 657, 1071, 1241, 1533, 3723, 4599, 8687, 11169, 26061, 78183, 253109, 759327, 1771763, 2277981, 4302853, 5315289, 12908559, 15945867, 18476957, 30119971, 38725677, 55430871, 90359913, 129338699, 166292613, 271079739, 314108269, 388016097, 942324807, 1164048291, 2198757883, 2826974421, 6596273649, 19788820947]

約数ペア:

[(1, 19788820947), (3, 6596273649), (7, 2826974421), (9, 2198757883), (17, 1164048291), (21, 942324807), (51, 388016097), (63, 314108269), (73, 271079739), (119, 166292613), (153, 129338699), (219, 90359913), (357, 55430871), (511, 38725677), (657, 30119971), (1071, 18476957), (1241, 15945867), (1533, 12908559), (3723, 5315289), (4599, 4302853), (8687, 2277981), (11169, 1771763), (26061, 759327), (78183, 253109)]