18908816

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{11701}}^1$

素因数の和:11810

約数の個数: 20

約数和(自身を含む): 37001724

約数和(自身を除く): 18092908

約数列:

[1, 2, 4, 8, 16, 101, 202, 404, 808, 1616, 11701, 23402, 46804, 93608, 187216, 1181801, 2363602, 4727204, 9454408, 18908816]

約数ペア:

[(1, 18908816), (2, 9454408), (4, 4727204), (8, 2363602), (16, 1181801), (101, 187216), (202, 93608), (404, 46804), (808, 23402), (1616, 11701)]