19335728

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{11087}}^1$

素因数の和:11204

約数の個数: 20

約数和(自身を含む): 37810080

約数和(自身を除く): 18474352

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 11087, 22174, 44348, 88696, 177392, 1208483, 2416966, 4833932, 9667864, 19335728]

約数ペア:

[(1, 19335728), (2, 9667864), (4, 4833932), (8, 2416966), (16, 1208483), (109, 177392), (218, 88696), (436, 44348), (872, 22174), (1744, 11087)]