19788969

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{10487}}^1$

素因数の和:10544

約数の個数: 16

約数和(自身を含む): 28695168

約数和(自身を除く): 8906199

約数列:

[1, 3, 17, 37, 51, 111, 629, 1887, 10487, 31461, 178279, 388019, 534837, 1164057, 6596323, 19788969]

約数ペア:

[(1, 19788969), (3, 6596323), (17, 1164057), (37, 534837), (51, 388019), (111, 178279), (629, 31461), (1887, 10487)]