19691008

素因数分解:

$2^9\times {\mathrm{38459}}^1$

素因数の和:38477

約数の個数: 20

約数和(自身を含む): 39344580

約数和(自身を除く): 19653572

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 38459, 76918, 153836, 307672, 615344, 1230688, 2461376, 4922752, 9845504, 19691008]

約数ペア:

[(1, 19691008), (2, 9845504), (4, 4922752), (8, 2461376), (16, 1230688), (32, 615344), (64, 307672), (128, 153836), (256, 76918), (512, 38459)]