19830442

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{359}}^1\times {\mathrm{389}}^1$

素因数の和:821

約数の個数: 16

約数和(自身を含む): 30326400

約数和(自身を除く): 10495958

約数列:

[1, 2, 71, 142, 359, 389, 718, 778, 25489, 27619, 50978, 55238, 139651, 279302, 9915221, 19830442]

約数ペア:

[(1, 19830442), (2, 9915221), (71, 279302), (142, 139651), (359, 55238), (389, 50978), (718, 27619), (778, 25489)]