18870318

素因数分解:

$2^1\times 3^2\times {\mathrm{1009}}^1\times {\mathrm{1039}}^1$

素因数の和:2056

約数の個数: 24

約数和(自身を含む): 40965600

約数和(自身を除く): 22095282

約数列:

[1, 2, 3, 6, 9, 18, 1009, 1039, 2018, 2078, 3027, 3117, 6054, 6234, 9081, 9351, 18162, 18702, 1048351, 2096702, 3145053, 6290106, 9435159, 18870318]

約数ペア:

[(1, 18870318), (2, 9435159), (3, 6290106), (6, 3145053), (9, 2096702), (18, 1048351), (1009, 18702), (1039, 18162), (2018, 9351), (2078, 9081), (3027, 6234), (3117, 6054)]