19912570

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{104803}}^1$

素因数の和:104829

約数の個数: 16

約数和(自身を含む): 37729440

約数和(自身を除く): 17816870

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 104803, 209606, 524015, 1048030, 1991257, 3982514, 9956285, 19912570]

約数ペア:

[(1, 19912570), (2, 9956285), (5, 3982514), (10, 1991257), (19, 1048030), (38, 524015), (95, 209606), (190, 104803)]