18926608

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{51431}}^1$

素因数の和:51462

約数の個数: 20

約数和(自身を含む): 38265408

約数和(自身を除く): 19338800

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 51431, 102862, 205724, 411448, 822896, 1182913, 2365826, 4731652, 9463304, 18926608]

約数ペア:

[(1, 18926608), (2, 9463304), (4, 4731652), (8, 2365826), (16, 1182913), (23, 822896), (46, 411448), (92, 205724), (184, 102862), (368, 51431)]