19646000

素因数分解:

$2^4\times 5^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1$

素因数の和:100

約数の個数: 160

約数和(自身を含む): 55710720

約数和(自身を除く): 36064720

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 25, 38, 40, 44, 47, 50, 55, 76, 80, 88, 94, 95, 100, 110, 125, 152, 176, 188, 190, 200, 209, 220, 235, 250, 275, 304, 376, 380, 400, 418, 440, 470, 475, 500, 517, 550, 752, 760, 836, 880, 893, 940, 950, 1000, 1034, 1045, 1100, 1175, 1375, 1520, 1672, 1786, 1880, 1900, 2000, 2068, 2090, 2200, 2350, 2375, 2585, 2750, 3344, 3572, 3760, 3800, 4136, 4180, 4400, 4465, 4700, 4750, 5170, 5225, 5500, 5875, 7144, 7600, 8272, 8360, 8930, 9400, 9500, 9823, 10340, 10450, 11000, 11750, 12925, 14288, 16720, 17860, 18800, 19000, 19646, 20680, 20900, 22000, 22325, 23500, 25850, 26125, 35720, 38000, 39292, 41360, 41800, 44650, 47000, 49115, 51700, 52250, 64625, 71440, 78584, 83600, 89300, 94000, 98230, 103400, 104500, 111625, 129250, 157168, 178600, 196460, 206800, 209000, 223250, 245575, 258500, 357200, 392920, 418000, 446500, 491150, 517000, 785840, 893000, 982300, 1034000, 1227875, 1786000, 1964600, 2455750, 3929200, 4911500, 9823000, 19646000]

約数ペア:

[(1, 19646000), (2, 9823000), (4, 4911500), (5, 3929200), (8, 2455750), (10, 1964600), (11, 1786000), (16, 1227875), (19, 1034000), (20, 982300), (22, 893000), (25, 785840), (38, 517000), (40, 491150), (44, 446500), (47, 418000), (50, 392920), (55, 357200), (76, 258500), (80, 245575), (88, 223250), (94, 209000), (95, 206800), (100, 196460), (110, 178600), (125, 157168), (152, 129250), (176, 111625), (188, 104500), (190, 103400), (200, 98230), (209, 94000), (220, 89300), (235, 83600), (250, 78584), (275, 71440), (304, 64625), (376, 52250), (380, 51700), (400, 49115), (418, 47000), (440, 44650), (470, 41800), (475, 41360), (500, 39292), (517, 38000), (550, 35720), (752, 26125), (760, 25850), (836, 23500), (880, 22325), (893, 22000), (940, 20900), (950, 20680), (1000, 19646), (1034, 19000), (1045, 18800), (1100, 17860), (1175, 16720), (1375, 14288), (1520, 12925), (1672, 11750), (1786, 11000), (1880, 10450), (1900, 10340), (2000, 9823), (2068, 9500), (2090, 9400), (2200, 8930), (2350, 8360), (2375, 8272), (2585, 7600), (2750, 7144), (3344, 5875), (3572, 5500), (3760, 5225), (3800, 5170), (4136, 4750), (4180, 4700), (4400, 4465)]