19859408

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{65327}}^1$

素因数の和:65354

約数の個数: 20

約数和(自身を含む): 40503360

約数和(自身を除く): 20643952

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 65327, 130654, 261308, 522616, 1045232, 1241213, 2482426, 4964852, 9929704, 19859408]

約数ペア:

[(1, 19859408), (2, 9929704), (4, 4964852), (8, 2482426), (16, 1241213), (19, 1045232), (38, 522616), (76, 261308), (152, 130654), (304, 65327)]