19253349

素因数分解:

$3^3\times {\mathrm{643}}^1\times {\mathrm{1109}}^1$

素因数の和:1761

約数の個数: 16

約数和(自身を含む): 28593600

約数和(自身を除く): 9340251

約数列:

[1, 3, 9, 27, 643, 1109, 1929, 3327, 5787, 9981, 17361, 29943, 713087, 2139261, 6417783, 19253349]

約数ペア:

[(1, 19253349), (3, 6417783), (9, 2139261), (27, 713087), (643, 29943), (1109, 17361), (1929, 9981), (3327, 5787)]