19001121

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{19609}}^1$

素因数の和:19648

約数の個数: 16

約数和(自身を含む): 28238400

約数和(自身を除く): 9237279

約数列:

[1, 3, 17, 19, 51, 57, 323, 969, 19609, 58827, 333353, 372571, 1000059, 1117713, 6333707, 19001121]

約数ペア:

[(1, 19001121), (3, 6333707), (17, 1117713), (19, 1000059), (51, 372571), (57, 333353), (323, 58827), (969, 19609)]