18966959

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{601}}^1$

素因数の和:782

約数の個数: 16

約数和(自身を含む): 21960960

約数和(自身を除く): 2994001

約数列:

[1, 11, 19, 151, 209, 601, 1661, 2869, 6611, 11419, 31559, 90751, 125609, 998261, 1724269, 18966959]

約数ペア:

[(1, 18966959), (11, 1724269), (19, 998261), (151, 125609), (209, 90751), (601, 31559), (1661, 11419), (2869, 6611)]