19139520

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{19937}}^1$

素因数の和:19957

約数の個数: 56

約数和(自身を含む): 60771024

約数和(自身を除く): 41631504

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 480, 960, 19937, 39874, 59811, 79748, 99685, 119622, 159496, 199370, 239244, 299055, 318992, 398740, 478488, 598110, 637984, 797480, 956976, 1196220, 1275968, 1594960, 1913952, 2392440, 3189920, 3827904, 4784880, 6379840, 9569760, 19139520]

約数ペア:

[(1, 19139520), (2, 9569760), (3, 6379840), (4, 4784880), (5, 3827904), (6, 3189920), (8, 2392440), (10, 1913952), (12, 1594960), (15, 1275968), (16, 1196220), (20, 956976), (24, 797480), (30, 637984), (32, 598110), (40, 478488), (48, 398740), (60, 318992), (64, 299055), (80, 239244), (96, 199370), (120, 159496), (160, 119622), (192, 99685), (240, 79748), (320, 59811), (480, 39874), (960, 19937)]