19861800

素因数分解:

$2^3\times 3^1\times 5^2\times 7^1\times {\mathrm{4729}}^1$

素因数の和:4755

約数の個数: 96

約数和(自身を含む): 70382400

約数和(自身を除く): 50520600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 25, 28, 30, 35, 40, 42, 50, 56, 60, 70, 75, 84, 100, 105, 120, 140, 150, 168, 175, 200, 210, 280, 300, 350, 420, 525, 600, 700, 840, 1050, 1400, 2100, 4200, 4729, 9458, 14187, 18916, 23645, 28374, 33103, 37832, 47290, 56748, 66206, 70935, 94580, 99309, 113496, 118225, 132412, 141870, 165515, 189160, 198618, 236450, 264824, 283740, 331030, 354675, 397236, 472900, 496545, 567480, 662060, 709350, 794472, 827575, 945800, 993090, 1324120, 1418700, 1655150, 1986180, 2482725, 2837400, 3310300, 3972360, 4965450, 6620600, 9930900, 19861800]

約数ペア:

[(1, 19861800), (2, 9930900), (3, 6620600), (4, 4965450), (5, 3972360), (6, 3310300), (7, 2837400), (8, 2482725), (10, 1986180), (12, 1655150), (14, 1418700), (15, 1324120), (20, 993090), (21, 945800), (24, 827575), (25, 794472), (28, 709350), (30, 662060), (35, 567480), (40, 496545), (42, 472900), (50, 397236), (56, 354675), (60, 331030), (70, 283740), (75, 264824), (84, 236450), (100, 198618), (105, 189160), (120, 165515), (140, 141870), (150, 132412), (168, 118225), (175, 113496), (200, 99309), (210, 94580), (280, 70935), (300, 66206), (350, 56748), (420, 47290), (525, 37832), (600, 33103), (700, 28374), (840, 23645), (1050, 18916), (1400, 14187), (2100, 9458), (4200, 4729)]