18815753

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{421}}^1$

素因数の和:688

約数の個数: 16

約数和(自身を含む): 21876480

約数和(自身を除く): 3060727

約数列:

[1, 11, 17, 187, 239, 421, 2629, 4063, 4631, 7157, 44693, 78727, 100619, 1106809, 1710523, 18815753]

約数ペア:

[(1, 18815753), (11, 1710523), (17, 1106809), (187, 100619), (239, 78727), (421, 44693), (2629, 7157), (4063, 4631)]