18427870

素因数分解:

$2^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{13451}}^1$

素因数の和:13595

約数の個数: 16

約数和(自身を含む): 33414768

約数和(自身を除く): 14986898

約数列:

[1, 2, 5, 10, 137, 274, 685, 1370, 13451, 26902, 67255, 134510, 1842787, 3685574, 9213935, 18427870]

約数ペア:

[(1, 18427870), (2, 9213935), (5, 3685574), (10, 1842787), (137, 134510), (274, 67255), (685, 26902), (1370, 13451)]