18887679998

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{359}}^1\times {\mathrm{2391451}}^1$

素因数の和:2391823

約数の個数: 16

約数和(自身を含む): 30993217920

約数和(自身を除く): 12105537922

約数列:

[1, 2, 11, 22, 359, 718, 3949, 7898, 2391451, 4782902, 26305961, 52611922, 858530909, 1717061818, 9443839999, 18887679998]

約数ペア:

[(1, 18887679998), (2, 9443839999), (11, 1717061818), (22, 858530909), (359, 52611922), (718, 26305961), (3949, 4782902), (7898, 2391451)]