18659854

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{227}}^1\times {\mathrm{1787}}^1$

素因数の和:2039

約数の個数: 16

約数和(自身を含む): 29351808

約数和(自身を除く): 10691954

約数列:

[1, 2, 23, 46, 227, 454, 1787, 3574, 5221, 10442, 41101, 82202, 405649, 811298, 9329927, 18659854]

約数ペア:

[(1, 18659854), (2, 9329927), (23, 811298), (46, 405649), (227, 82202), (454, 41101), (1787, 10442), (3574, 5221)]