17980742

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{18691}}^1$

素因数の和:18743

約数の個数: 16

約数和(自身を含む): 29832432

約数和(自身を除く): 11851690

約数列:

[1, 2, 13, 26, 37, 74, 481, 962, 18691, 37382, 242983, 485966, 691567, 1383134, 8990371, 17980742]

約数ペア:

[(1, 17980742), (2, 8990371), (13, 1383134), (26, 691567), (37, 485966), (74, 242983), (481, 37382), (962, 18691)]