18568518

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{71971}}^1$

素因数の和:72019

約数の個数: 16

約数和(自身を含む): 38001216

約数和(自身を除く): 19432698

約数列:

[1, 2, 3, 6, 43, 86, 129, 258, 71971, 143942, 215913, 431826, 3094753, 6189506, 9284259, 18568518]

約数ペア:

[(1, 18568518), (2, 9284259), (3, 6189506), (6, 3094753), (43, 431826), (86, 215913), (129, 143942), (258, 71971)]