19834000

素因数分解:

$2^4\times 5^3\times {\mathrm{47}}^1\times {\mathrm{211}}^1$

素因数の和:281

約数の個数: 80

約数和(自身を含む): 49211136

約数和(自身を除く): 29377136

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 47, 50, 80, 94, 100, 125, 188, 200, 211, 235, 250, 376, 400, 422, 470, 500, 752, 844, 940, 1000, 1055, 1175, 1688, 1880, 2000, 2110, 2350, 3376, 3760, 4220, 4700, 5275, 5875, 8440, 9400, 9917, 10550, 11750, 16880, 18800, 19834, 21100, 23500, 26375, 39668, 42200, 47000, 49585, 52750, 79336, 84400, 94000, 99170, 105500, 158672, 198340, 211000, 247925, 396680, 422000, 495850, 793360, 991700, 1239625, 1983400, 2479250, 3966800, 4958500, 9917000, 19834000]

約数ペア:

[(1, 19834000), (2, 9917000), (4, 4958500), (5, 3966800), (8, 2479250), (10, 1983400), (16, 1239625), (20, 991700), (25, 793360), (40, 495850), (47, 422000), (50, 396680), (80, 247925), (94, 211000), (100, 198340), (125, 158672), (188, 105500), (200, 99170), (211, 94000), (235, 84400), (250, 79336), (376, 52750), (400, 49585), (422, 47000), (470, 42200), (500, 39668), (752, 26375), (844, 23500), (940, 21100), (1000, 19834), (1055, 18800), (1175, 16880), (1688, 11750), (1880, 10550), (2000, 9917), (2110, 9400), (2350, 8440), (3376, 5875), (3760, 5275), (4220, 4700)]