18636368

素因数分解:

$2^4\times {\mathrm{541}}^1\times {\mathrm{2153}}^1$

素因数の和:2702

約数の個数: 20

約数和(自身を含む): 36191508

約数和(自身を除く): 17555140

約数列:

[1, 2, 4, 8, 16, 541, 1082, 2153, 2164, 4306, 4328, 8612, 8656, 17224, 34448, 1164773, 2329546, 4659092, 9318184, 18636368]

約数ペア:

[(1, 18636368), (2, 9318184), (4, 4659092), (8, 2329546), (16, 1164773), (541, 34448), (1082, 17224), (2153, 8656), (2164, 8612), (4306, 4328)]