19902051

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{56701}}^1$

素因数の和:56723

約数の個数: 16

約数和(自身を含む): 31753120

約数和(自身を除く): 11851069

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 56701, 170103, 510309, 737113, 1530927, 2211339, 6634017, 19902051]

約数ペア:

[(1, 19902051), (3, 6634017), (9, 2211339), (13, 1530927), (27, 737113), (39, 510309), (117, 170103), (351, 56701)]