18055863

素因数分解:

$3^2\times 7^3\times {\mathrm{5849}}^1$

素因数の和:5876

約数の個数: 24

約数和(自身を含む): 30420000

約数和(自身を除く): 12364137

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 1029, 3087, 5849, 17547, 40943, 52641, 122829, 286601, 368487, 859803, 2006207, 2579409, 6018621, 18055863]

約数ペア:

[(1, 18055863), (3, 6018621), (7, 2579409), (9, 2006207), (21, 859803), (49, 368487), (63, 286601), (147, 122829), (343, 52641), (441, 40943), (1029, 17547), (3087, 5849)]