18998057

素因数分解:

${\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{311}}^1$

素因数の和:488

約数の個数: 16

約数和(自身を含む): 21245952

約数和(自身を除く): 2247895

約数列:

[1, 13, 37, 127, 311, 481, 1651, 4043, 4699, 11507, 39497, 61087, 149591, 513461, 1461389, 18998057]

約数ペア:

[(1, 18998057), (13, 1461389), (37, 513461), (127, 149591), (311, 61087), (481, 39497), (1651, 11507), (4043, 4699)]