18908658146

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{193}}^1\times {\mathrm{2129}}^1$

素因数の和:2523

約数の個数: 64

約数和(自身を含む): 34512134400

約数和(自身を除く): 15603476254

約数列:

[1, 2, 7, 14, 19, 38, 133, 173, 193, 266, 346, 386, 1211, 1351, 2129, 2422, 2702, 3287, 3667, 4258, 6574, 7334, 14903, 23009, 25669, 29806, 33389, 40451, 46018, 51338, 66778, 80902, 233723, 283157, 368317, 410897, 467446, 566314, 634391, 736634, 821794, 1268782, 2578219, 2876279, 4440737, 5156438, 5752558, 6998023, 7807043, 8881474, 13996046, 15614086, 48986161, 54649301, 71085181, 97972322, 109298602, 142170362, 497596267, 995192534, 1350618439, 2701236878, 9454329073, 18908658146]

約数ペア:

[(1, 18908658146), (2, 9454329073), (7, 2701236878), (14, 1350618439), (19, 995192534), (38, 497596267), (133, 142170362), (173, 109298602), (193, 97972322), (266, 71085181), (346, 54649301), (386, 48986161), (1211, 15614086), (1351, 13996046), (2129, 8881474), (2422, 7807043), (2702, 6998023), (3287, 5752558), (3667, 5156438), (4258, 4440737), (6574, 2876279), (7334, 2578219), (14903, 1268782), (23009, 821794), (25669, 736634), (29806, 634391), (33389, 566314), (40451, 467446), (46018, 410897), (51338, 368317), (66778, 283157), (80902, 233723)]