19937952008

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{191711077}}^1$

素因数の和:191711096

約数の個数: 16

約数和(自身を含む): 40259326380

約数和(自身を除く): 20321374372

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 191711077, 383422154, 766844308, 1533688616, 2492244001, 4984488002, 9968976004, 19937952008]

約数ペア:

[(1, 19937952008), (2, 9968976004), (4, 4984488002), (8, 2492244001), (13, 1533688616), (26, 766844308), (52, 383422154), (104, 191711077)]