18881252012

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{188941}}^1$

素因数の和:189078

約数の個数: 48

約数和(自身を含む): 39106459392

約数和(自身を除く): 20225207380

約数列:

[1, 2, 4, 7, 14, 28, 43, 83, 86, 166, 172, 301, 332, 581, 602, 1162, 1204, 2324, 3569, 7138, 14276, 24983, 49966, 99932, 188941, 377882, 755764, 1322587, 2645174, 5290348, 8124463, 15682103, 16248926, 31364206, 32497852, 56871241, 62728412, 109774721, 113742482, 219549442, 227484964, 439098884, 674330429, 1348660858, 2697321716, 4720313003, 9440626006, 18881252012]

約数ペア:

[(1, 18881252012), (2, 9440626006), (4, 4720313003), (7, 2697321716), (14, 1348660858), (28, 674330429), (43, 439098884), (83, 227484964), (86, 219549442), (166, 113742482), (172, 109774721), (301, 62728412), (332, 56871241), (581, 32497852), (602, 31364206), (1162, 16248926), (1204, 15682103), (2324, 8124463), (3569, 5290348), (7138, 2645174), (14276, 1322587), (24983, 755764), (49966, 377882), (99932, 188941)]