18985624

素因数分解:

$2^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{8269}}^1$

素因数の和:8323

約数の個数: 32

約数和(自身を含む): 41680800

約数和(自身を除く): 22695176

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 56, 82, 164, 287, 328, 574, 1148, 2296, 8269, 16538, 33076, 57883, 66152, 115766, 231532, 339029, 463064, 678058, 1356116, 2373203, 2712232, 4746406, 9492812, 18985624]

約数ペア:

[(1, 18985624), (2, 9492812), (4, 4746406), (7, 2712232), (8, 2373203), (14, 1356116), (28, 678058), (41, 463064), (56, 339029), (82, 231532), (164, 115766), (287, 66152), (328, 57883), (574, 33076), (1148, 16538), (2296, 8269)]