18812211

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{3631}}^1$

素因数の和:3802

約数の個数: 16

約数和(自身を含む): 27545088

約数和(自身を除く): 8732877

約数列:

[1, 3, 11, 33, 157, 471, 1727, 3631, 5181, 10893, 39941, 119823, 570067, 1710201, 6270737, 18812211]

約数ペア:

[(1, 18812211), (3, 6270737), (11, 1710201), (33, 570067), (157, 119823), (471, 39941), (1727, 10893), (3631, 5181)]