18549232

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{347}}^1$

素因数の和:625

約数の個数: 40

約数和(自身を含む): 38966256

約数和(自身を除く): 20417024

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 257, 347, 514, 694, 1028, 1388, 2056, 2776, 3341, 4112, 4511, 5552, 6682, 9022, 13364, 18044, 26728, 36088, 53456, 72176, 89179, 178358, 356716, 713432, 1159327, 1426864, 2318654, 4637308, 9274616, 18549232]

約数ペア:

[(1, 18549232), (2, 9274616), (4, 4637308), (8, 2318654), (13, 1426864), (16, 1159327), (26, 713432), (52, 356716), (104, 178358), (208, 89179), (257, 72176), (347, 53456), (514, 36088), (694, 26728), (1028, 18044), (1388, 13364), (2056, 9022), (2776, 6682), (3341, 5552), (4112, 4511)]