19562120

素因数分解:

$2^3\times 5^1\times {\mathrm{489053}}^1$

素因数の和:489064

約数の個数: 16

約数和(自身を含む): 44014860

約数和(自身を除く): 24452740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 489053, 978106, 1956212, 2445265, 3912424, 4890530, 9781060, 19562120]

約数ペア:

[(1, 19562120), (2, 9781060), (4, 4890530), (5, 3912424), (8, 2445265), (10, 1956212), (20, 978106), (40, 489053)]