19691648

素因数分解:

$2^7\times {\mathrm{153841}}^1$

素因数の和:153855

約数の個数: 16

約数和(自身を含む): 39229710

約数和(自身を除く): 19538062

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 153841, 307682, 615364, 1230728, 2461456, 4922912, 9845824, 19691648]

約数ペア:

[(1, 19691648), (2, 9845824), (4, 4922912), (8, 2461456), (16, 1230728), (32, 615364), (64, 307682), (128, 153841)]