18726784

素因数分解:

$2^7\times {\mathrm{23}}^1\times {\mathrm{6361}}^1$

素因数の和:6398

約数の個数: 32

約数和(自身を含む): 38935440

約数和(自身を除く): 20208656

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 128, 184, 368, 736, 1472, 2944, 6361, 12722, 25444, 50888, 101776, 146303, 203552, 292606, 407104, 585212, 814208, 1170424, 2340848, 4681696, 9363392, 18726784]

約数ペア:

[(1, 18726784), (2, 9363392), (4, 4681696), (8, 2340848), (16, 1170424), (23, 814208), (32, 585212), (46, 407104), (64, 292606), (92, 203552), (128, 146303), (184, 101776), (368, 50888), (736, 25444), (1472, 12722), (2944, 6361)]