18814270

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{28081}}^1$

素因数の和:28155

約数の個数: 16

約数和(自身を含む): 34372368

約数和(自身を除く): 15558098

約数列:

[1, 2, 5, 10, 67, 134, 335, 670, 28081, 56162, 140405, 280810, 1881427, 3762854, 9407135, 18814270]

約数ペア:

[(1, 18814270), (2, 9407135), (5, 3762854), (10, 1881427), (67, 280810), (134, 140405), (335, 56162), (670, 28081)]