19929856

素因数分解:

$2^8\times {\mathrm{127}}^1\times {\mathrm{613}}^1$

素因数の和:756

約数の個数: 36

約数和(自身を含む): 40160512

約数和(自身を除く): 20230656

約数列:

[1, 2, 4, 8, 16, 32, 64, 127, 128, 254, 256, 508, 613, 1016, 1226, 2032, 2452, 4064, 4904, 8128, 9808, 16256, 19616, 32512, 39232, 77851, 78464, 155702, 156928, 311404, 622808, 1245616, 2491232, 4982464, 9964928, 19929856]

約数ペア:

[(1, 19929856), (2, 9964928), (4, 4982464), (8, 2491232), (16, 1245616), (32, 622808), (64, 311404), (127, 156928), (128, 155702), (254, 78464), (256, 77851), (508, 39232), (613, 32512), (1016, 19616), (1226, 16256), (2032, 9808), (2452, 8128), (4064, 4904)]