19386729

素因数分解:

$3^3\times {\mathrm{181}}^1\times {\mathrm{3967}}^1$

素因数の和:4157

約数の個数: 16

約数和(自身を含む): 28887040

約数和(自身を除く): 9500311

約数列:

[1, 3, 9, 27, 181, 543, 1629, 3967, 4887, 11901, 35703, 107109, 718027, 2154081, 6462243, 19386729]

約数ペア:

[(1, 19386729), (3, 6462243), (9, 2154081), (27, 718027), (181, 107109), (543, 35703), (1629, 11901), (3967, 4887)]