19779464

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{359}}^1$

素因数の和:533

約数の個数: 32

約数和(自身を含む): 38102400

約数和(自身を除く): 18322936

約数列:

[1, 2, 4, 8, 71, 97, 142, 194, 284, 359, 388, 568, 718, 776, 1436, 2872, 6887, 13774, 25489, 27548, 34823, 50978, 55096, 69646, 101956, 139292, 203912, 278584, 2472433, 4944866, 9889732, 19779464]

約数ペア:

[(1, 19779464), (2, 9889732), (4, 4944866), (8, 2472433), (71, 278584), (97, 203912), (142, 139292), (194, 101956), (284, 69646), (359, 55096), (388, 50978), (568, 34823), (718, 27548), (776, 25489), (1436, 13774), (2872, 6887)]