12984980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{34171}}^1$

素因数の和:34199

約数の個数: 24

約数和(自身を含む): 28704480

約数和(自身を除く): 15719500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 34171, 68342, 136684, 170855, 341710, 649249, 683420, 1298498, 2596996, 3246245, 6492490, 12984980]

約数ペア:

[(1, 12984980), (2, 6492490), (4, 3246245), (5, 2596996), (10, 1298498), (19, 683420), (20, 649249), (38, 341710), (76, 170855), (95, 136684), (190, 68342), (380, 34171)]