19459952

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{64013}}^1$

素因数の和:64040

約数の個数: 20

約数和(自身を含む): 39688680

約数和(自身を除く): 20228728

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 64013, 128026, 256052, 512104, 1024208, 1216247, 2432494, 4864988, 9729976, 19459952]

約数ペア:

[(1, 19459952), (2, 9729976), (4, 4864988), (8, 2432494), (16, 1216247), (19, 1024208), (38, 512104), (76, 256052), (152, 128026), (304, 64013)]