19752759

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{9931}}^1$

素因数の和:9967

約数の個数: 24

約数和(自身を含む): 32537232

約数和(自身を除く): 12784473

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1989, 9931, 29793, 89379, 129103, 168827, 387309, 506481, 1161927, 1519443, 2194751, 6584253, 19752759]

約数ペア:

[(1, 19752759), (3, 6584253), (9, 2194751), (13, 1519443), (17, 1161927), (39, 506481), (51, 387309), (117, 168827), (153, 129103), (221, 89379), (663, 29793), (1989, 9931)]