19782781

素因数分解:

${\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{839}}^1$

素因数の和:948

約数の個数: 16

約数和(自身を含む): 22377600

約数和(自身を除く): 2594819

約数列:

[1, 17, 19, 73, 323, 839, 1241, 1387, 14263, 15941, 23579, 61247, 270997, 1041199, 1163693, 19782781]

約数ペア:

[(1, 19782781), (17, 1163693), (19, 1041199), (73, 270997), (323, 61247), (839, 23579), (1241, 15941), (1387, 14263)]