18657548

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{51257}}^1$

素因数の和:51281

約数の個数: 24

約数和(自身を含む): 40186272

約数和(自身を除く): 21528724

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 51257, 102514, 205028, 358799, 666341, 717598, 1332682, 1435196, 2665364, 4664387, 9328774, 18657548]

約数ペア:

[(1, 18657548), (2, 9328774), (4, 4664387), (7, 2665364), (13, 1435196), (14, 1332682), (26, 717598), (28, 666341), (52, 358799), (91, 205028), (182, 102514), (364, 51257)]