19315120

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{467}}^1$

素因数の和:538

約数の個数: 80

約数和(自身を含む): 50139648

約数和(自身を除く): 30824528

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 47, 55, 80, 88, 94, 110, 176, 188, 220, 235, 376, 440, 467, 470, 517, 752, 880, 934, 940, 1034, 1868, 1880, 2068, 2335, 2585, 3736, 3760, 4136, 4670, 5137, 5170, 7472, 8272, 9340, 10274, 10340, 18680, 20548, 20680, 21949, 25685, 37360, 41096, 41360, 43898, 51370, 82192, 87796, 102740, 109745, 175592, 205480, 219490, 241439, 351184, 410960, 438980, 482878, 877960, 965756, 1207195, 1755920, 1931512, 2414390, 3863024, 4828780, 9657560, 19315120]

約数ペア:

[(1, 19315120), (2, 9657560), (4, 4828780), (5, 3863024), (8, 2414390), (10, 1931512), (11, 1755920), (16, 1207195), (20, 965756), (22, 877960), (40, 482878), (44, 438980), (47, 410960), (55, 351184), (80, 241439), (88, 219490), (94, 205480), (110, 175592), (176, 109745), (188, 102740), (220, 87796), (235, 82192), (376, 51370), (440, 43898), (467, 41360), (470, 41096), (517, 37360), (752, 25685), (880, 21949), (934, 20680), (940, 20548), (1034, 18680), (1868, 10340), (1880, 10274), (2068, 9340), (2335, 8272), (2585, 7472), (3736, 5170), (3760, 5137), (4136, 4670)]