19039840

素因数分解:

$2^5\times 5^1\times {\mathrm{127}}^1\times {\mathrm{937}}^1$

素因数の和:1079

約数の個数: 48

約数和(自身を含む): 45384192

約数和(自身を除く): 26344352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 127, 160, 254, 508, 635, 937, 1016, 1270, 1874, 2032, 2540, 3748, 4064, 4685, 5080, 7496, 9370, 10160, 14992, 18740, 20320, 29984, 37480, 74960, 118999, 149920, 237998, 475996, 594995, 951992, 1189990, 1903984, 2379980, 3807968, 4759960, 9519920, 19039840]

約数ペア:

[(1, 19039840), (2, 9519920), (4, 4759960), (5, 3807968), (8, 2379980), (10, 1903984), (16, 1189990), (20, 951992), (32, 594995), (40, 475996), (80, 237998), (127, 149920), (160, 118999), (254, 74960), (508, 37480), (635, 29984), (937, 20320), (1016, 18740), (1270, 14992), (1874, 10160), (2032, 9370), (2540, 7496), (3748, 5080), (4064, 4685)]