18837136

素因数分解:

$2^4\times {\mathrm{107}}^1\times {\mathrm{11003}}^1$

素因数の和:11118

約数の個数: 20

約数和(自身を含む): 36841392

約数和(自身を除く): 18004256

約数列:

[1, 2, 4, 8, 16, 107, 214, 428, 856, 1712, 11003, 22006, 44012, 88024, 176048, 1177321, 2354642, 4709284, 9418568, 18837136]

約数ペア:

[(1, 18837136), (2, 9418568), (4, 4709284), (8, 2354642), (16, 1177321), (107, 176048), (214, 88024), (428, 44012), (856, 22006), (1712, 11003)]