19270256

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{63389}}^1$

素因数の和:63416

約数の個数: 20

約数和(自身を含む): 39301800

約数和(自身を除く): 20031544

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 63389, 126778, 253556, 507112, 1014224, 1204391, 2408782, 4817564, 9635128, 19270256]

約数ペア:

[(1, 19270256), (2, 9635128), (4, 4817564), (8, 2408782), (16, 1204391), (19, 1014224), (38, 507112), (76, 253556), (152, 126778), (304, 63389)]