19945646

素因数分解:

$2^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{8849}}^1$

素因数の和:8888

約数の個数: 24

約数和(自身を含む): 36320400

約数和(自身を除く): 16374754

約数列:

[1, 2, 7, 14, 23, 46, 49, 98, 161, 322, 1127, 2254, 8849, 17698, 61943, 123886, 203527, 407054, 433601, 867202, 1424689, 2849378, 9972823, 19945646]

約数ペア:

[(1, 19945646), (2, 9972823), (7, 2849378), (14, 1424689), (23, 867202), (46, 433601), (49, 407054), (98, 203527), (161, 123886), (322, 61943), (1127, 17698), (2254, 8849)]