19966347

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{3527}}^1$

素因数の和:3587

約数の個数: 24

約数和(自身を含む): 31370976

約数和(自身を除く): 11404629

約数列:

[1, 3, 9, 17, 37, 51, 111, 153, 333, 629, 1887, 3527, 5661, 10581, 31743, 59959, 130499, 179877, 391497, 539631, 1174491, 2218483, 6655449, 19966347]

約数ペア:

[(1, 19966347), (3, 6655449), (9, 2218483), (17, 1174491), (37, 539631), (51, 391497), (111, 179877), (153, 130499), (333, 59959), (629, 31743), (1887, 10581), (3527, 5661)]