19228473

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{17657}}^1$

素因数の和:17685

約数の個数: 18

約数和(自身を含む): 30530682

約数和(自身を除く): 11302209

約数列:

[1, 3, 9, 11, 33, 99, 121, 363, 1089, 17657, 52971, 158913, 194227, 582681, 1748043, 2136497, 6409491, 19228473]

約数ペア:

[(1, 19228473), (3, 6409491), (9, 2136497), (11, 1748043), (33, 582681), (99, 194227), (121, 158913), (363, 52971), (1089, 17657)]