19434280

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{11299}}^1$

素因数の和:11353

約数の個数: 32

約数和(自身を含む): 44748000

約数和(自身を除く): 25313720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 11299, 22598, 45196, 56495, 90392, 112990, 225980, 451960, 485857, 971714, 1943428, 2429285, 3886856, 4858570, 9717140, 19434280]

約数ペア:

[(1, 19434280), (2, 9717140), (4, 4858570), (5, 3886856), (8, 2429285), (10, 1943428), (20, 971714), (40, 485857), (43, 451960), (86, 225980), (172, 112990), (215, 90392), (344, 56495), (430, 45196), (860, 22598), (1720, 11299)]