18910294

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{13723}}^1$

素因数の和:13791

約数の個数: 16

約数和(自身を含む): 31126032

約数和(自身を除く): 12215738

約数列:

[1, 2, 13, 26, 53, 106, 689, 1378, 13723, 27446, 178399, 356798, 727319, 1454638, 9455147, 18910294]

約数ペア:

[(1, 18910294), (2, 9455147), (13, 1454638), (26, 727319), (53, 356798), (106, 178399), (689, 27446), (1378, 13723)]