19873920

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{941}}^1$

素因数の和:974

約数の個数: 128

約数和(自身を含む): 69180480

約数和(自身を除く): 49306560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 64, 66, 80, 88, 96, 110, 120, 128, 132, 160, 165, 176, 192, 220, 240, 264, 320, 330, 352, 384, 440, 480, 528, 640, 660, 704, 880, 941, 960, 1056, 1320, 1408, 1760, 1882, 1920, 2112, 2640, 2823, 3520, 3764, 4224, 4705, 5280, 5646, 7040, 7528, 9410, 10351, 10560, 11292, 14115, 15056, 18820, 20702, 21120, 22584, 28230, 30112, 31053, 37640, 41404, 45168, 51755, 56460, 60224, 62106, 75280, 82808, 90336, 103510, 112920, 120448, 124212, 150560, 155265, 165616, 180672, 207020, 225840, 248424, 301120, 310530, 331232, 361344, 414040, 451680, 496848, 602240, 621060, 662464, 828080, 903360, 993696, 1242120, 1324928, 1656160, 1806720, 1987392, 2484240, 3312320, 3974784, 4968480, 6624640, 9936960, 19873920]

約数ペア:

[(1, 19873920), (2, 9936960), (3, 6624640), (4, 4968480), (5, 3974784), (6, 3312320), (8, 2484240), (10, 1987392), (11, 1806720), (12, 1656160), (15, 1324928), (16, 1242120), (20, 993696), (22, 903360), (24, 828080), (30, 662464), (32, 621060), (33, 602240), (40, 496848), (44, 451680), (48, 414040), (55, 361344), (60, 331232), (64, 310530), (66, 301120), (80, 248424), (88, 225840), (96, 207020), (110, 180672), (120, 165616), (128, 155265), (132, 150560), (160, 124212), (165, 120448), (176, 112920), (192, 103510), (220, 90336), (240, 82808), (264, 75280), (320, 62106), (330, 60224), (352, 56460), (384, 51755), (440, 45168), (480, 41404), (528, 37640), (640, 31053), (660, 30112), (704, 28230), (880, 22584), (941, 21120), (960, 20702), (1056, 18820), (1320, 15056), (1408, 14115), (1760, 11292), (1882, 10560), (1920, 10351), (2112, 9410), (2640, 7528), (2823, 7040), (3520, 5646), (3764, 5280), (4224, 4705)]