19639190

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{26903}}^1$

素因数の和:26983

約数の個数: 16

約数和(自身を含む): 35836128

約数和(自身を除く): 16196938

約数列:

[1, 2, 5, 10, 73, 146, 365, 730, 26903, 53806, 134515, 269030, 1963919, 3927838, 9819595, 19639190]

約数ペア:

[(1, 19639190), (2, 9819595), (5, 3927838), (10, 1963919), (73, 269030), (146, 134515), (365, 53806), (730, 26903)]