19442781

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{42359}}^1$

素因数の和:42385

約数の個数: 16

約数和(自身を含む): 30499200

約数和(自身を除く): 11056419

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 42359, 127077, 381231, 720103, 1143693, 2160309, 6480927, 19442781]

約数ペア:

[(1, 19442781), (3, 6480927), (9, 2160309), (17, 1143693), (27, 720103), (51, 381231), (153, 127077), (459, 42359)]