19110275

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{613}}^1$

素因数の和:695

約数の個数: 24

約数和(自身を含む): 25124880

約数和(自身を除く): 6014605

約数列:

[1, 5, 25, 29, 43, 145, 215, 613, 725, 1075, 1247, 3065, 6235, 15325, 17777, 26359, 31175, 88885, 131795, 444425, 658975, 764411, 3822055, 19110275]

約数ペア:

[(1, 19110275), (5, 3822055), (25, 764411), (29, 658975), (43, 444425), (145, 131795), (215, 88885), (613, 31175), (725, 26359), (1075, 17777), (1247, 15325), (3065, 6235)]