19943547

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{433}}^1\times {\mathrm{1181}}^1$

素因数の和:1630

約数の個数: 16

約数和(自身を含む): 28727328

約数和(自身を除く): 8783781

約数列:

[1, 3, 13, 39, 433, 1181, 1299, 3543, 5629, 15353, 16887, 46059, 511373, 1534119, 6647849, 19943547]

約数ペア:

[(1, 19943547), (3, 6647849), (13, 1534119), (39, 511373), (433, 46059), (1181, 16887), (1299, 15353), (3543, 5629)]