19475890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{278227}}^1$

素因数の和:278241

約数の個数: 16

約数和(自身を含む): 40064832

約数和(自身を除く): 20588942

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 278227, 556454, 1391135, 1947589, 2782270, 3895178, 9737945, 19475890]

約数ペア:

[(1, 19475890), (2, 9737945), (5, 3895178), (7, 2782270), (10, 1947589), (14, 1391135), (35, 556454), (70, 278227)]