19541572

素因数分解:

$2^2\times {\mathrm{103}}^1\times {\mathrm{47431}}^1$

素因数の和:47538

約数の個数: 12

約数和(自身を含む): 34530496

約数和(自身を除く): 14988924

約数列:

[1, 2, 4, 103, 206, 412, 47431, 94862, 189724, 4885393, 9770786, 19541572]

約数ペア:

[(1, 19541572), (2, 9770786), (4, 4885393), (103, 189724), (206, 94862), (412, 47431)]