18208518

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{42743}}^1$

素因数の和:42819

約数の個数: 16

約数和(自身を含む): 36930816

約数和(自身を除く): 18722298

約数列:

[1, 2, 3, 6, 71, 142, 213, 426, 42743, 85486, 128229, 256458, 3034753, 6069506, 9104259, 18208518]

約数ペア:

[(1, 18208518), (2, 9104259), (3, 6069506), (6, 3034753), (71, 256458), (142, 128229), (213, 85486), (426, 42743)]