18892821

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{14411}}^1$

素因数の和:14456

約数の個数: 16

約数和(自身を含む): 27671040

約数和(自身を除く): 8778219

約数列:

[1, 3, 19, 23, 57, 69, 437, 1311, 14411, 43233, 273809, 331453, 821427, 994359, 6297607, 18892821]

約数ペア:

[(1, 18892821), (3, 6297607), (19, 994359), (23, 821427), (57, 331453), (69, 273809), (437, 43233), (1311, 14411)]