18877144

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{569}}^1$

素因数の和:628

約数の個数: 64

約数和(自身を含む): 43092000

約数和(自身を除く): 24214856

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 29, 44, 52, 58, 88, 104, 116, 143, 232, 286, 319, 377, 569, 572, 638, 754, 1138, 1144, 1276, 1508, 2276, 2552, 3016, 4147, 4552, 6259, 7397, 8294, 12518, 14794, 16501, 16588, 25036, 29588, 33002, 33176, 50072, 59176, 66004, 81367, 132008, 162734, 181511, 214513, 325468, 363022, 429026, 650936, 726044, 858052, 1452088, 1716104, 2359643, 4719286, 9438572, 18877144]

約数ペア:

[(1, 18877144), (2, 9438572), (4, 4719286), (8, 2359643), (11, 1716104), (13, 1452088), (22, 858052), (26, 726044), (29, 650936), (44, 429026), (52, 363022), (58, 325468), (88, 214513), (104, 181511), (116, 162734), (143, 132008), (232, 81367), (286, 66004), (319, 59176), (377, 50072), (569, 33176), (572, 33002), (638, 29588), (754, 25036), (1138, 16588), (1144, 16501), (1276, 14794), (1508, 12518), (2276, 8294), (2552, 7397), (3016, 6259), (4147, 4552)]