19888231

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2213}}^1$

素因数の和:2286

約数の個数: 16

約数和(自身を含む): 23379840

約数和(自身を除く): 3491609

約数列:

[1, 11, 19, 43, 209, 473, 817, 2213, 8987, 24343, 42047, 95159, 462517, 1046749, 1808021, 19888231]

約数ペア:

[(1, 19888231), (11, 1808021), (19, 1046749), (43, 462517), (209, 95159), (473, 42047), (817, 24343), (2213, 8987)]