18678564

素因数分解:

$2^2\times 3^2\times {\mathrm{211}}^1\times {\mathrm{2459}}^1$

素因数の和:2680

約数の個数: 36

約数和(自身を含む): 47458320

約数和(自身を除く): 28779756

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 211, 422, 633, 844, 1266, 1899, 2459, 2532, 3798, 4918, 7377, 7596, 9836, 14754, 22131, 29508, 44262, 88524, 518849, 1037698, 1556547, 2075396, 3113094, 4669641, 6226188, 9339282, 18678564]

約数ペア:

[(1, 18678564), (2, 9339282), (3, 6226188), (4, 4669641), (6, 3113094), (9, 2075396), (12, 1556547), (18, 1037698), (36, 518849), (211, 88524), (422, 44262), (633, 29508), (844, 22131), (1266, 14754), (1899, 9836), (2459, 7596), (2532, 7377), (3798, 4918)]