1999408

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{6577}}^1$

素因数の和:6604

約数の個数: 20

約数和(自身を含む): 4078360

約数和(自身を除く): 2078952

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 6577, 13154, 26308, 52616, 105232, 124963, 249926, 499852, 999704, 1999408]

約数ペア:

[(1, 1999408), (2, 999704), (4, 499852), (8, 249926), (16, 124963), (19, 105232), (38, 52616), (76, 26308), (152, 13154), (304, 6577)]