19906906

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{2803}}^1$

素因数の和:2925

約数の個数: 16

約数和(自身を含む): 30888864

約数和(自身を除く): 10981958

約数列:

[1, 2, 53, 67, 106, 134, 2803, 3551, 5606, 7102, 148559, 187801, 297118, 375602, 9953453, 19906906]

約数ペア:

[(1, 19906906), (2, 9953453), (53, 375602), (67, 297118), (106, 187801), (134, 148559), (2803, 7102), (3551, 5606)]