18164320

素因数分解:

$2^5\times 5^1\times {\mathrm{107}}^1\times {\mathrm{1061}}^1$

素因数の和:1183

約数の個数: 48

約数和(自身を含む): 43355088

約数和(自身を除く): 25190768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 107, 160, 214, 428, 535, 856, 1061, 1070, 1712, 2122, 2140, 3424, 4244, 4280, 5305, 8488, 8560, 10610, 16976, 17120, 21220, 33952, 42440, 84880, 113527, 169760, 227054, 454108, 567635, 908216, 1135270, 1816432, 2270540, 3632864, 4541080, 9082160, 18164320]

約数ペア:

[(1, 18164320), (2, 9082160), (4, 4541080), (5, 3632864), (8, 2270540), (10, 1816432), (16, 1135270), (20, 908216), (32, 567635), (40, 454108), (80, 227054), (107, 169760), (160, 113527), (214, 84880), (428, 42440), (535, 33952), (856, 21220), (1061, 17120), (1070, 16976), (1712, 10610), (2122, 8560), (2140, 8488), (3424, 5305), (4244, 4280)]