18439954

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{643}}^1\times {\mathrm{1103}}^1$

素因数の和:1761

約数の個数: 16

約数和(自身を含む): 29860992

約数和(自身を除く): 11421038

約数列:

[1, 2, 13, 26, 643, 1103, 1286, 2206, 8359, 14339, 16718, 28678, 709229, 1418458, 9219977, 18439954]

約数ペア:

[(1, 18439954), (2, 9219977), (13, 1418458), (26, 709229), (643, 28678), (1103, 16718), (1286, 14339), (2206, 8359)]