19607792

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{11243}}^1$

素因数の和:11360

約数の個数: 20

約数和(自身を含む): 38342040

約数和(自身を除く): 18734248

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 11243, 22486, 44972, 89944, 179888, 1225487, 2450974, 4901948, 9803896, 19607792]

約数ペア:

[(1, 19607792), (2, 9803896), (4, 4901948), (8, 2450974), (16, 1225487), (109, 179888), (218, 89944), (436, 44972), (872, 22486), (1744, 11243)]