18205254

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^2\times {\mathrm{547}}^1$

素因数の和:641

約数の個数: 36

約数和(自身を含む): 40457196

約数和(自身を除く): 22251942

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 258, 387, 547, 774, 1094, 1641, 1849, 3282, 3698, 4923, 5547, 9846, 11094, 16641, 23521, 33282, 47042, 70563, 141126, 211689, 423378, 1011403, 2022806, 3034209, 6068418, 9102627, 18205254]

約数ペア:

[(1, 18205254), (2, 9102627), (3, 6068418), (6, 3034209), (9, 2022806), (18, 1011403), (43, 423378), (86, 211689), (129, 141126), (258, 70563), (387, 47042), (547, 33282), (774, 23521), (1094, 16641), (1641, 11094), (1849, 9846), (3282, 5547), (3698, 4923)]