19148975

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{379}}^1$

素因数の和:479

約数の個数: 24

約数和(自身を含む): 24879360

約数和(自身を除く): 5730385

約数列:

[1, 5, 25, 43, 47, 215, 235, 379, 1075, 1175, 1895, 2021, 9475, 10105, 16297, 17813, 50525, 81485, 89065, 407425, 445325, 765959, 3829795, 19148975]

約数ペア:

[(1, 19148975), (5, 3829795), (25, 765959), (43, 445325), (47, 407425), (215, 89065), (235, 81485), (379, 50525), (1075, 17813), (1175, 16297), (1895, 10105), (2021, 9475)]