19688912

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{42433}}^1$

素因数の和:42470

約数の個数: 20

約数和(自身を含む): 39463620

約数和(自身を除く): 19774708

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 42433, 84866, 169732, 339464, 678928, 1230557, 2461114, 4922228, 9844456, 19688912]

約数ペア:

[(1, 19688912), (2, 9844456), (4, 4922228), (8, 2461114), (16, 1230557), (29, 678928), (58, 339464), (116, 169732), (232, 84866), (464, 42433)]