18723518

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37003}}^1$

素因数の和:37039

約数の個数: 16

約数和(自身を含む): 31971456

約数和(自身を除く): 13247938

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 37003, 74006, 407033, 814066, 851069, 1702138, 9361759, 18723518]

約数ペア:

[(1, 18723518), (2, 9361759), (11, 1702138), (22, 851069), (23, 814066), (46, 407033), (253, 74006), (506, 37003)]