19440902

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{17389}}^1$

素因数の和:17447

約数の個数: 16

約数和(自身を含む): 32136720

約数和(自身を除く): 12695818

約数列:

[1, 2, 13, 26, 43, 86, 559, 1118, 17389, 34778, 226057, 452114, 747727, 1495454, 9720451, 19440902]

約数ペア:

[(1, 19440902), (2, 9720451), (13, 1495454), (26, 747727), (43, 452114), (86, 226057), (559, 34778), (1118, 17389)]