9997420

素因数分解:

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

素因数の和:26337

約数の個数: 24

約数和(自身を含む): 22100400

約数和(自身を除く): 12102980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 26309, 52618, 105236, 131545, 263090, 499871, 526180, 999742, 1999484, 2499355, 4998710, 9997420]

約数ペア:

[(1, 9997420), (2, 4998710), (4, 2499355), (5, 1999484), (10, 999742), (19, 526180), (20, 499871), (38, 263090), (76, 131545), (95, 105236), (190, 52618), (380, 26309)]