18824631

素因数分解:

$3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{6449}}^1$

素因数の和:6598

約数の個数: 16

約数和(自身を含む): 28896000

約数和(自身を除く): 10071369

約数列:

[1, 3, 7, 21, 139, 417, 973, 2919, 6449, 19347, 45143, 135429, 896411, 2689233, 6274877, 18824631]

約数ペア:

[(1, 18824631), (3, 6274877), (7, 2689233), (21, 896411), (139, 135429), (417, 45143), (973, 19347), (2919, 6449)]