18810319

素因数分解:

${\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{409}}^1$

素因数の和:570

約数の個数: 16

約数和(自身を含む): 21313440

約数和(自身を除く): 2503121

約数列:

[1, 11, 37, 113, 407, 409, 1243, 4181, 4499, 15133, 45991, 46217, 166463, 508387, 1710029, 18810319]

約数ペア:

[(1, 18810319), (11, 1710029), (37, 508387), (113, 166463), (407, 46217), (409, 45991), (1243, 15133), (4181, 4499)]