19198120

素因数分解:

$2^3\times 5^1\times {\mathrm{479953}}^1$

素因数の和:479964

約数の個数: 16

約数和(自身を含む): 43195860

約数和(自身を除く): 23997740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 479953, 959906, 1919812, 2399765, 3839624, 4799530, 9599060, 19198120]

約数ペア:

[(1, 19198120), (2, 9599060), (4, 4799530), (5, 3839624), (8, 2399765), (10, 1919812), (20, 959906), (40, 479953)]