19621251

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{55901}}^1$

素因数の和:55923

約数の個数: 16

約数和(自身を含む): 31305120

約数和(自身を除く): 11683869

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 55901, 167703, 503109, 726713, 1509327, 2180139, 6540417, 19621251]

約数ペア:

[(1, 19621251), (3, 6540417), (9, 2180139), (13, 1509327), (27, 726713), (39, 503109), (117, 167703), (351, 55901)]