18805600

素因数分解:

$2^5\times 5^2\times {\mathrm{11}}^1\times {\mathrm{2137}}^1$

素因数の和:2168

約数の個数: 72

約数和(自身を含む): 50106168

約数和(自身を除く): 31300568

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 80, 88, 100, 110, 160, 176, 200, 220, 275, 352, 400, 440, 550, 800, 880, 1100, 1760, 2137, 2200, 4274, 4400, 8548, 8800, 10685, 17096, 21370, 23507, 34192, 42740, 47014, 53425, 68384, 85480, 94028, 106850, 117535, 170960, 188056, 213700, 235070, 341920, 376112, 427400, 470140, 587675, 752224, 854800, 940280, 1175350, 1709600, 1880560, 2350700, 3761120, 4701400, 9402800, 18805600]

約数ペア:

[(1, 18805600), (2, 9402800), (4, 4701400), (5, 3761120), (8, 2350700), (10, 1880560), (11, 1709600), (16, 1175350), (20, 940280), (22, 854800), (25, 752224), (32, 587675), (40, 470140), (44, 427400), (50, 376112), (55, 341920), (80, 235070), (88, 213700), (100, 188056), (110, 170960), (160, 117535), (176, 106850), (200, 94028), (220, 85480), (275, 68384), (352, 53425), (400, 47014), (440, 42740), (550, 34192), (800, 23507), (880, 21370), (1100, 17096), (1760, 10685), (2137, 8800), (2200, 8548), (4274, 4400)]