19204227

素因数分解:

$3^2\times 7^3\times {\mathrm{6221}}^1$

素因数の和:6248

約数の個数: 24

約数和(自身を含む): 32354400

約数和(自身を除く): 13150173

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 1029, 3087, 6221, 18663, 43547, 55989, 130641, 304829, 391923, 914487, 2133803, 2743461, 6401409, 19204227]

約数ペア:

[(1, 19204227), (3, 6401409), (7, 2743461), (9, 2133803), (21, 914487), (49, 391923), (63, 304829), (147, 130641), (343, 55989), (441, 43547), (1029, 18663), (3087, 6221)]