19497800

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{733}}^1$

素因数の和:775

約数の個数: 96

約数和(自身を含む): 54609600

約数和(自身を除く): 35111800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 25, 28, 35, 38, 40, 50, 56, 70, 76, 95, 100, 133, 140, 152, 175, 190, 200, 266, 280, 350, 380, 475, 532, 665, 700, 733, 760, 950, 1064, 1330, 1400, 1466, 1900, 2660, 2932, 3325, 3665, 3800, 5131, 5320, 5864, 6650, 7330, 10262, 13300, 13927, 14660, 18325, 20524, 25655, 26600, 27854, 29320, 36650, 41048, 51310, 55708, 69635, 73300, 97489, 102620, 111416, 128275, 139270, 146600, 194978, 205240, 256550, 278540, 348175, 389956, 487445, 513100, 557080, 696350, 779912, 974890, 1026200, 1392700, 1949780, 2437225, 2785400, 3899560, 4874450, 9748900, 19497800]

約数ペア:

[(1, 19497800), (2, 9748900), (4, 4874450), (5, 3899560), (7, 2785400), (8, 2437225), (10, 1949780), (14, 1392700), (19, 1026200), (20, 974890), (25, 779912), (28, 696350), (35, 557080), (38, 513100), (40, 487445), (50, 389956), (56, 348175), (70, 278540), (76, 256550), (95, 205240), (100, 194978), (133, 146600), (140, 139270), (152, 128275), (175, 111416), (190, 102620), (200, 97489), (266, 73300), (280, 69635), (350, 55708), (380, 51310), (475, 41048), (532, 36650), (665, 29320), (700, 27854), (733, 26600), (760, 25655), (950, 20524), (1064, 18325), (1330, 14660), (1400, 13927), (1466, 13300), (1900, 10262), (2660, 7330), (2932, 6650), (3325, 5864), (3665, 5320), (3800, 5131)]