19490305

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{769}}^1$

素因数の和:948

約数の個数: 16

約数和(自身を含む): 24227280

約数和(自身を除く): 4736975

約数列:

[1, 5, 37, 137, 185, 685, 769, 3845, 5069, 25345, 28453, 105353, 142265, 526765, 3898061, 19490305]

約数ペア:

[(1, 19490305), (5, 3898061), (37, 526765), (137, 142265), (185, 105353), (685, 28453), (769, 25345), (3845, 5069)]