19155840

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{907}}^1$

素因数の和:940

約数の個数: 128

約数和(自身を含む): 66683520

約数和(自身を除く): 47527680

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, 907, 960, 1056, 1320, 1408, 1760, 1814, 1920, 2112, 2640, 2721, 3520, 3628, 4224, 4535, 5280, 5442, 7040, 7256, 9070, 9977, 10560, 10884, 13605, 14512, 18140, 19954, 21120, 21768, 27210, 29024, 29931, 36280, 39908, 43536, 49885, 54420, 58048, 59862, 72560, 79816, 87072, 99770, 108840, 116096, 119724, 145120, 149655, 159632, 174144, 199540, 217680, 239448, 290240, 299310, 319264, 348288, 399080, 435360, 478896, 580480, 598620, 638528, 798160, 870720, 957792, 1197240, 1277056, 1596320, 1741440, 1915584, 2394480, 3192640, 3831168, 4788960, 6385280, 9577920, 19155840]

約数ペア:

[(1, 19155840), (2, 9577920), (3, 6385280), (4, 4788960), (5, 3831168), (6, 3192640), (8, 2394480), (10, 1915584), (11, 1741440), (12, 1596320), (15, 1277056), (16, 1197240), (20, 957792), (22, 870720), (24, 798160), (30, 638528), (32, 598620), (33, 580480), (40, 478896), (44, 435360), (48, 399080), (55, 348288), (60, 319264), (64, 299310), (66, 290240), (80, 239448), (88, 217680), (96, 199540), (110, 174144), (120, 159632), (128, 149655), (132, 145120), (160, 119724), (165, 116096), (176, 108840), (192, 99770), (220, 87072), (240, 79816), (264, 72560), (320, 59862), (330, 58048), (352, 54420), (384, 49885), (440, 43536), (480, 39908), (528, 36280), (640, 29931), (660, 29024), (704, 27210), (880, 21768), (907, 21120), (960, 19954), (1056, 18140), (1320, 14512), (1408, 13605), (1760, 10884), (1814, 10560), (1920, 9977), (2112, 9070), (2640, 7256), (2721, 7040), (3520, 5442), (3628, 5280), (4224, 4535)]