19180000

素因数分解:

$2^5\times 5^4\times 7^1\times {\mathrm{137}}^1$

素因数の和:174

約数の個数: 120

約数和(自身を含む): 54320112

約数和(自身を除く): 35140112

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 70, 80, 100, 112, 125, 137, 140, 160, 175, 200, 224, 250, 274, 280, 350, 400, 500, 548, 560, 625, 685, 700, 800, 875, 959, 1000, 1096, 1120, 1250, 1370, 1400, 1750, 1918, 2000, 2192, 2500, 2740, 2800, 3425, 3500, 3836, 4000, 4375, 4384, 4795, 5000, 5480, 5600, 6850, 7000, 7672, 8750, 9590, 10000, 10960, 13700, 14000, 15344, 17125, 17500, 19180, 20000, 21920, 23975, 27400, 28000, 30688, 34250, 35000, 38360, 47950, 54800, 68500, 70000, 76720, 85625, 95900, 109600, 119875, 137000, 140000, 153440, 171250, 191800, 239750, 274000, 342500, 383600, 479500, 548000, 599375, 685000, 767200, 959000, 1198750, 1370000, 1918000, 2397500, 2740000, 3836000, 4795000, 9590000, 19180000]

約数ペア:

[(1, 19180000), (2, 9590000), (4, 4795000), (5, 3836000), (7, 2740000), (8, 2397500), (10, 1918000), (14, 1370000), (16, 1198750), (20, 959000), (25, 767200), (28, 685000), (32, 599375), (35, 548000), (40, 479500), (50, 383600), (56, 342500), (70, 274000), (80, 239750), (100, 191800), (112, 171250), (125, 153440), (137, 140000), (140, 137000), (160, 119875), (175, 109600), (200, 95900), (224, 85625), (250, 76720), (274, 70000), (280, 68500), (350, 54800), (400, 47950), (500, 38360), (548, 35000), (560, 34250), (625, 30688), (685, 28000), (700, 27400), (800, 23975), (875, 21920), (959, 20000), (1000, 19180), (1096, 17500), (1120, 17125), (1250, 15344), (1370, 14000), (1400, 13700), (1750, 10960), (1918, 10000), (2000, 9590), (2192, 8750), (2500, 7672), (2740, 7000), (2800, 6850), (3425, 5600), (3500, 5480), (3836, 5000), (4000, 4795), (4375, 4384)]