19896320

素因数分解:

$2^{11}\times 5^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1$

素因数の和:123

約数の個数: 96

約数和(自身を含む): 50122800

約数和(自身を除く): 30226480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 67, 80, 116, 128, 134, 145, 160, 232, 256, 268, 290, 320, 335, 464, 512, 536, 580, 640, 670, 928, 1024, 1072, 1160, 1280, 1340, 1856, 1943, 2048, 2144, 2320, 2560, 2680, 3712, 3886, 4288, 4640, 5120, 5360, 7424, 7772, 8576, 9280, 9715, 10240, 10720, 14848, 15544, 17152, 18560, 19430, 21440, 29696, 31088, 34304, 37120, 38860, 42880, 59392, 62176, 68608, 74240, 77720, 85760, 124352, 137216, 148480, 155440, 171520, 248704, 296960, 310880, 343040, 497408, 621760, 686080, 994816, 1243520, 1989632, 2487040, 3979264, 4974080, 9948160, 19896320]

約数ペア:

[(1, 19896320), (2, 9948160), (4, 4974080), (5, 3979264), (8, 2487040), (10, 1989632), (16, 1243520), (20, 994816), (29, 686080), (32, 621760), (40, 497408), (58, 343040), (64, 310880), (67, 296960), (80, 248704), (116, 171520), (128, 155440), (134, 148480), (145, 137216), (160, 124352), (232, 85760), (256, 77720), (268, 74240), (290, 68608), (320, 62176), (335, 59392), (464, 42880), (512, 38860), (536, 37120), (580, 34304), (640, 31088), (670, 29696), (928, 21440), (1024, 19430), (1072, 18560), (1160, 17152), (1280, 15544), (1340, 14848), (1856, 10720), (1943, 10240), (2048, 9715), (2144, 9280), (2320, 8576), (2560, 7772), (2680, 7424), (3712, 5360), (3886, 5120), (4288, 4640)]