19994840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{26309}}^1$

素因数の和:26339

約数の個数: 32

約数和(自身を含む): 47358000

約数和(自身を除く): 27363160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 26309, 52618, 105236, 131545, 210472, 263090, 499871, 526180, 999742, 1052360, 1999484, 2499355, 3998968, 4998710, 9997420, 19994840]

約数ペア:

[(1, 19994840), (2, 9997420), (4, 4998710), (5, 3998968), (8, 2499355), (10, 1999484), (19, 1052360), (20, 999742), (38, 526180), (40, 499871), (76, 263090), (95, 210472), (152, 131545), (190, 105236), (380, 52618), (760, 26309)]