18963957

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{5639}}^1$

素因数の和:5720

約数の個数: 16

約数和(自身を含む): 27072000

約数和(自身を除く): 8108043

約数列:

[1, 3, 19, 57, 59, 177, 1121, 3363, 5639, 16917, 107141, 321423, 332701, 998103, 6321319, 18963957]

約数ペア:

[(1, 18963957), (3, 6321319), (19, 998103), (57, 332701), (59, 321423), (177, 107141), (1121, 16917), (3363, 5639)]