18767643

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{71}}^2\times {\mathrm{73}}^1$

素因数の和:235

約数の個数: 24

約数和(自身を含む): 27242064

約数和(自身を除く): 8474421

約数列:

[1, 3, 17, 51, 71, 73, 213, 219, 1207, 1241, 3621, 3723, 5041, 5183, 15123, 15549, 85697, 88111, 257091, 264333, 367993, 1103979, 6255881, 18767643]

約数ペア:

[(1, 18767643), (3, 6255881), (17, 1103979), (51, 367993), (71, 264333), (73, 257091), (213, 88111), (219, 85697), (1207, 15549), (1241, 15123), (3621, 5183), (3723, 5041)]