19832120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:213

約数の個数: 128

約数和(自身を含む): 57231360

約数和(自身を除く): 37399240

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 47, 55, 56, 70, 77, 88, 94, 110, 137, 140, 154, 188, 220, 235, 274, 280, 308, 329, 376, 385, 440, 470, 517, 548, 616, 658, 685, 770, 940, 959, 1034, 1096, 1316, 1370, 1507, 1540, 1645, 1880, 1918, 2068, 2585, 2632, 2740, 3014, 3080, 3290, 3619, 3836, 4136, 4795, 5170, 5480, 6028, 6439, 6580, 7238, 7535, 7672, 9590, 10340, 10549, 12056, 12878, 13160, 14476, 15070, 18095, 19180, 20680, 21098, 25756, 28952, 30140, 32195, 36190, 38360, 42196, 45073, 51512, 52745, 60280, 64390, 70829, 72380, 84392, 90146, 105490, 128780, 141658, 144760, 180292, 210980, 225365, 257560, 283316, 354145, 360584, 421960, 450730, 495803, 566632, 708290, 901460, 991606, 1416580, 1802920, 1983212, 2479015, 2833160, 3966424, 4958030, 9916060, 19832120]

約数ペア:

[(1, 19832120), (2, 9916060), (4, 4958030), (5, 3966424), (7, 2833160), (8, 2479015), (10, 1983212), (11, 1802920), (14, 1416580), (20, 991606), (22, 901460), (28, 708290), (35, 566632), (40, 495803), (44, 450730), (47, 421960), (55, 360584), (56, 354145), (70, 283316), (77, 257560), (88, 225365), (94, 210980), (110, 180292), (137, 144760), (140, 141658), (154, 128780), (188, 105490), (220, 90146), (235, 84392), (274, 72380), (280, 70829), (308, 64390), (329, 60280), (376, 52745), (385, 51512), (440, 45073), (470, 42196), (517, 38360), (548, 36190), (616, 32195), (658, 30140), (685, 28952), (770, 25756), (940, 21098), (959, 20680), (1034, 19180), (1096, 18095), (1316, 15070), (1370, 14476), (1507, 13160), (1540, 12878), (1645, 12056), (1880, 10549), (1918, 10340), (2068, 9590), (2585, 7672), (2632, 7535), (2740, 7238), (3014, 6580), (3080, 6439), (3290, 6028), (3619, 5480), (3836, 5170), (4136, 4795)]