19560760

素因数分解:

$2^3\times 5^1\times {\mathrm{489019}}^1$

素因数の和:489030

約数の個数: 16

約数和(自身を含む): 44011800

約数和(自身を除く): 24451040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 489019, 978038, 1956076, 2445095, 3912152, 4890190, 9780380, 19560760]

約数ペア:

[(1, 19560760), (2, 9780380), (4, 4890190), (5, 3912152), (8, 2445095), (10, 1956076), (20, 978038), (40, 489019)]