18312789

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29207}}^1$

素因数の和:29240

約数の個数: 16

約数和(自身を含む): 28039680

約数和(自身を除く): 9726891

約数列:

[1, 3, 11, 19, 33, 57, 209, 627, 29207, 87621, 321277, 554933, 963831, 1664799, 6104263, 18312789]

約数ペア:

[(1, 18312789), (3, 6104263), (11, 1664799), (19, 963831), (33, 554933), (57, 321277), (209, 87621), (627, 29207)]