18108889452

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{131441}}^1$

素因数の和:131583

約数の個数: 72

約数和(自身を含む): 47366439120

約数和(自身を除く): 29257549668

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 89, 129, 172, 178, 258, 267, 356, 387, 516, 534, 774, 801, 1068, 1548, 1602, 3204, 3827, 7654, 11481, 15308, 22962, 34443, 45924, 68886, 131441, 137772, 262882, 394323, 525764, 788646, 1182969, 1577292, 2365938, 4731876, 5651963, 11303926, 11698249, 16955889, 22607852, 23396498, 33911778, 35094747, 46792996, 50867667, 67823556, 70189494, 101735334, 105284241, 140378988, 203470668, 210568482, 421136964, 503024707, 1006049414, 1509074121, 2012098828, 3018148242, 4527222363, 6036296484, 9054444726, 18108889452]

約数ペア:

[(1, 18108889452), (2, 9054444726), (3, 6036296484), (4, 4527222363), (6, 3018148242), (9, 2012098828), (12, 1509074121), (18, 1006049414), (36, 503024707), (43, 421136964), (86, 210568482), (89, 203470668), (129, 140378988), (172, 105284241), (178, 101735334), (258, 70189494), (267, 67823556), (356, 50867667), (387, 46792996), (516, 35094747), (534, 33911778), (774, 23396498), (801, 22607852), (1068, 16955889), (1548, 11698249), (1602, 11303926), (3204, 5651963), (3827, 4731876), (7654, 2365938), (11481, 1577292), (15308, 1182969), (22962, 788646), (34443, 525764), (45924, 394323), (68886, 262882), (131441, 137772)]