18428848

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{10567}}^1$

素因数の和:10684

約数の個数: 20

約数和(自身を含む): 36036880

約数和(自身を除く): 17608032

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 10567, 21134, 42268, 84536, 169072, 1151803, 2303606, 4607212, 9214424, 18428848]

約数ペア:

[(1, 18428848), (2, 9214424), (4, 4607212), (8, 2303606), (16, 1151803), (109, 169072), (218, 84536), (436, 42268), (872, 21134), (1744, 10567)]