19213936

素因数分解:

$2^4\times 7^1\times {\mathrm{171553}}^1$

素因数の和:171568

約数の個数: 20

約数和(自身を含む): 42545392

約数和(自身を除く): 23331456

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 171553, 343106, 686212, 1200871, 1372424, 2401742, 2744848, 4803484, 9606968, 19213936]

約数ペア:

[(1, 19213936), (2, 9606968), (4, 4803484), (7, 2744848), (8, 2401742), (14, 1372424), (16, 1200871), (28, 686212), (56, 343106), (112, 171553)]